Catastrophic Editor Crash - and I need to recover my project!

Unity Engine
1

Hello, I can’t open my project without the editor crashing on startup. I’d been having shader issues before this and the Gaia shader graph made many of my game objects invisible. So I decided to install Lux essential shaders last night to replace the Gaia shaders, and I got a fatal error, and this morning the project won’t open at all. I’ve tried removing the Lux asset from the Asset files, but it didn’t help so I put it back.

…
COMMAND LINE ARGUMENTS:
C:\Program Files\Unity Hub\2021.3.20f1\Editor\Unity.exe
-projectpath
C:\Unity Projects\The Retreat
-useHub
-hubIPC
-cloudEnvironment
production
-licensingIpc
LicenseClient-Bethsheba Ashe
-hubSessionId
6fc292d0-c1b4-11ed-b69d-b5968f2ebe6d
-accessToken
hMj69xSgcRVuQXjwjqgLbnQMPeHUVhsCvh8sk0WAcs8002f
Successfully changed project path to: C:\Unity Projects\The Retreat
C:/Unity Projects/The Retreat
[UnityMemory] Configuration Parameters - Can be set up in boot.config
“memorysetup-bucket-allocator-granularity=16”
“memorysetup-bucket-allocator-bucket-count=8”
“memorysetup-bucket-allocator-block-size=33554432”
“memorysetup-bucket-allocator-block-count=8”
“memorysetup-main-allocator-block-size=16777216”
“memorysetup-thread-allocator-block-size=16777216”
“memorysetup-gfx-main-allocator-block-size=16777216”
“memorysetup-gfx-thread-allocator-block-size=16777216”
“memorysetup-cache-allocator-block-size=4194304”
“memorysetup-typetree-allocator-block-size=2097152”
“memorysetup-profiler-bucket-allocator-granularity=16”
“memorysetup-profiler-bucket-allocator-bucket-count=8”
“memorysetup-profiler-bucket-allocator-block-size=33554432”
“memorysetup-profiler-bucket-allocator-block-count=8”
“memorysetup-profiler-allocator-block-size=16777216”
“memorysetup-profiler-editor-allocator-block-size=1048576”
“memorysetup-temp-allocator-size-main=16777216”
“memorysetup-job-temp-allocator-block-size=2097152”
“memorysetup-job-temp-allocator-block-size-background=1048576”
“memorysetup-job-temp-allocator-reduction-small-platforms=262144”
“memorysetup-temp-allocator-size-background-worker=32768”
“memorysetup-temp-allocator-size-job-worker=262144”
“memorysetup-temp-allocator-size-preload-manager=33554432”
“memorysetup-temp-allocator-size-nav-mesh-worker=65536”
“memorysetup-temp-allocator-size-audio-worker=65536”
“memorysetup-temp-allocator-size-cloud-worker=32768”
“memorysetup-temp-allocator-size-gi-baking-worker=262144”
“memorysetup-temp-allocator-size-gfx=262144”
Player connection [11416] Host “[IP] 192.168.0.109 [Port] 55496 [Flags] 2 [Guid] 1292433469 [EditorId] 1292433469 [Version] 1048832 [Id] WindowsEditor(7,DESKTOP-IHLDT0G) [Debug] 1 [PackageName] WindowsEditor [ProjectName] Editor” joined multi-casting on [225.0.0.222:54997]…

Player connection [11416] Host “[IP] 192.168.0.109 [Port] 55496 [Flags] 2 [Guid] 1292433469 [EditorId] 1292433469 [Version] 1048832 [Id] WindowsEditor(7,DESKTOP-IHLDT0G) [Debug] 1 [PackageName] WindowsEditor [ProjectName] Editor” joined alternative multi-casting on [225.0.0.222:34997]…

[Licensing::Client] Successfully resolved entitlements
[Package Manager] Restoring resolved packages state from cache
[Licensing::Client] Successfully resolved entitlement details
[Package Manager]
Registered 70 packages:
Packages from [https://packages.unity.com]:
com.unity.ai.navigation@1.1.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ai.navigation@1.1.1)
com.unity.cinemachine@2.8.9 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.cinemachine@2.8.9)
com.unity.collab-proxy@2.0.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.collab-proxy@2.0.1)
com.unity.ext.nunit@1.0.6 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ext.nunit@1.0.6)
com.unity.formats.fbx@4.2.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.formats.fbx@4.2.1)
com.unity.ide.rider@3.0.18 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ide.rider@3.0.18)
com.unity.ide.visualstudio@2.0.17 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ide.visualstudio@2.0.17)
com.unity.ide.vscode@1.2.5 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ide.vscode@1.2.5)
com.unity.inputsystem@1.5.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.inputsystem@1.5.0)
com.unity.postprocessing@3.2.2 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.postprocessing@3.2.2)
com.unity.probuilder@5.0.6 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.probuilder@5.0.6)
com.unity.services.cloudcode@2.2.4 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.services.cloudcode@2.2.4)
com.unity.services.cloudsave@2.0.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.services.cloudsave@2.0.1)
com.unity.terrain-tools@4.0.5 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.terrain-tools@4.0.5)
com.unity.test-framework@1.1.33 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.test-framework@1.1.33)
com.unity.textmeshpro@3.0.6 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.textmeshpro@3.0.6)
com.unity.timeline@1.7.3 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.timeline@1.7.3)
com.unity.toolchain.win-x86_64-linux-x86_64@2.0.4 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.toolchain.win-x86_64-linux-x86_64@2.0.4)
com.unity.visualscripting@1.8.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.visualscripting@1.8.0)
com.unity.xr.management@4.2.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.xr.management@4.2.1)
com.unity.xr.oculus@3.2.3 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.xr.oculus@3.2.3)
com.unity.xr.legacyinputhelpers@2.1.10 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.xr.legacyinputhelpers@2.1.10)
com.unity.subsystemregistration@1.1.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.subsystemregistration@1.1.0)
com.unity.sysroot@2.0.5 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.sysroot@2.0.5)
com.unity.sysroot.linux-x86_64@2.0.4 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.sysroot.linux-x86_64@2.0.4)
com.unity.searcher@4.9.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.searcher@4.9.1)
com.unity.services.authentication@2.4.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.services.authentication@2.4.0)
com.unity.services.core@1.7.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.services.core@1.7.1)
com.unity.nuget.newtonsoft-json@3.0.2 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.nuget.newtonsoft-json@3.0.2)
com.unity.mathematics@1.2.6 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.mathematics@1.2.6)
com.unity.burst@1.8.2 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.burst@1.8.2)
com.unity.settings-manager@1.0.3 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.settings-manager@1.0.3)
com.autodesk.fbx@4.2.1 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.autodesk.fbx@4.2.1)
Built-in packages:
com.unity.render-pipelines.universal@12.1.10 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.render-pipelines.universal@12.1.10)
com.unity.shadergraph@12.1.10 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.shadergraph@12.1.10)
com.unity.ugui@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.ugui@1.0.0)
com.unity.modules.ai@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.ai@1.0.0)
com.unity.modules.androidjni@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.androidjni@1.0.0)
com.unity.modules.animation@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.animation@1.0.0)
com.unity.modules.assetbundle@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.assetbundle@1.0.0)
com.unity.modules.audio@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.audio@1.0.0)
com.unity.modules.cloth@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.cloth@1.0.0)
com.unity.modules.director@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.director@1.0.0)
com.unity.modules.imageconversion@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.imageconversion@1.0.0)
com.unity.modules.imgui@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.imgui@1.0.0)
com.unity.modules.jsonserialize@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.jsonserialize@1.0.0)
com.unity.modules.particlesystem@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.particlesystem@1.0.0)
com.unity.modules.physics@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.physics@1.0.0)
com.unity.modules.physics2d@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.physics2d@1.0.0)
com.unity.modules.screencapture@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.screencapture@1.0.0)
com.unity.modules.terrain@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.terrain@1.0.0)
com.unity.modules.terrainphysics@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.terrainphysics@1.0.0)
com.unity.modules.tilemap@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.tilemap@1.0.0)
com.unity.modules.ui@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.ui@1.0.0)
com.unity.modules.uielements@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.uielements@1.0.0)
com.unity.modules.umbra@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.umbra@1.0.0)
com.unity.modules.unityanalytics@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unityanalytics@1.0.0)
com.unity.modules.unitywebrequest@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unitywebrequest@1.0.0)
com.unity.modules.unitywebrequestassetbundle@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unitywebrequestassetbundle@1.0.0)
com.unity.modules.unitywebrequestaudio@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unitywebrequestaudio@1.0.0)
com.unity.modules.unitywebrequesttexture@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unitywebrequesttexture@1.0.0)
com.unity.modules.unitywebrequestwww@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.unitywebrequestwww@1.0.0)
com.unity.modules.vehicles@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.vehicles@1.0.0)
com.unity.modules.video@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.video@1.0.0)
com.unity.modules.vr@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.vr@1.0.0)
com.unity.modules.wind@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.wind@1.0.0)
com.unity.modules.xr@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.xr@1.0.0)
com.unity.modules.subsystems@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.subsystems@1.0.0)
com.unity.modules.uielementsnative@1.0.0 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.modules.uielementsnative@1.0.0)
com.unity.render-pipelines.core@12.1.10 (location: C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.render-pipelines.core@12.1.10)

[Subsystems] Looking for new subsystems at path C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.xr.oculus@3.2.3
[Subsystems] Novel subsystem found at Library/PackageCache/com.unity.xr.oculus@3.2.3/Runtime/UnitySubsystemsManifest.json
[Subsystems] Discovering subsystems at path C:/Program Files/Unity Hub/2021.3.20f1/Editor/Data/Resources/UnitySubsystems
[Subsystems] Discovering subsystems at path C:/Unity Projects/The Retreat/Assets
[Subsystems] No descriptors matched for examples in Assets/MeshingFeaturePlugin/UnitySubsystemsManifest.json.
[Subsystems] No descriptors matched for inputs in Assets/MeshingFeaturePlugin/UnitySubsystemsManifest.json.
[Subsystems] No descriptors matched for displays in Assets/MeshingFeaturePlugin/UnitySubsystemsManifest.json.
[Subsystems] 1 ‘meshings’ descriptors matched in Assets/MeshingFeaturePlugin/UnitySubsystemsManifest.json
[Subsystems] Discovering subsystems at path C:\Unity Projects\The Retreat\Library\PackageCache\com.unity.xr.oculus@3.2.3
[Subsystems] No descriptors matched for examples in Library/PackageCache/com.unity.xr.oculus@3.2.3/Runtime/UnitySubsystemsManifest.json.
[Subsystems] 1 ‘inputs’ descriptors matched in Library/PackageCache/com.unity.xr.oculus@3.2.3/Runtime/UnitySubsystemsManifest.json
[Subsystems] 1 ‘displays’ descriptors matched in Library/PackageCache/com.unity.xr.oculus@3.2.3/Runtime/UnitySubsystemsManifest.json
[Subsystems] No descriptors matched for meshings in Library/PackageCache/com.unity.xr.oculus@3.2.3/Runtime/UnitySubsystemsManifest.json.
Package Manager log level set to [2]
[Package Manager] Done registering packages in 0.34s seconds
Could not allocate memory: System out of memory!
Trying to allocate: 5726623061B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 32800B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299816448B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B
Could not allocate memory: System out of memory!
Trying to allocate: 22906492245B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 65568B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299820544B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B
Could not allocate memory: System out of memory!
Trying to allocate: 22906492245B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 65568B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299820544B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B
Could not allocate memory: System out of memory!
Trying to allocate: 5726623061B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 32800B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299816448B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B
Cancelling DisplayDialog because it was run from a thread that is not the main thread: Fatal Error! Could not allocate memory: System out of memory!
Trying to allocate: 5726623061B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 32800B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299816448B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B

Cancelling DisplayDialog because it was run from a thread that is not the main thread: Fatal Error! Could not allocate memory: System out of memory!
Trying to allocate: 22906492245B with 16 alignment. MemoryLabel: TempOverflow
Allocation happened at: Line:38 in C:\build\output\unity\unity\Modules\AssetDatabase\Editor\V2\DatabasePrefetch.cpp
Memory overview

[ ALLOC_TEMP_TLS ] used: 65568B | peak: 0B | reserved: 20905984B
[ ALLOC_MEMORYPROFILER ] used: 7840B | peak: 7840B | reserved: 1048576B
[ ALLOC_DEFAULT ] used: 57273575740B | peak: 0B | reserved: 57299820544B
[ ALLOC_TEMP_JOB_1_FRAME ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_2_FRAMES ] used: 0B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_4_FRAMES (JobTemp) ] used: 55B | peak: 0B | reserved: 2097152B
[ ALLOC_TEMP_JOB_ASYNC (Background) ] used: 0B | peak: 0B | reserved: 1048576B
[ ALLOC_GFX ] used: 256B | peak: 0B | reserved: 16777216B
[ ALLOC_CACHEOBJECTS ] used: 1031776B | peak: 0B | reserved: 4194304B
[ ALLOC_TYPETREE ] used: 56240B | peak: 0B | reserved: 2097152B
[ ALLOC_PROFILER ] used: 31024B | peak: 32256B | reserved: 16777216B
[ ALLOC_PROFILER_EDITOR ] used: 0B | peak: 0B | reserved: 0B

Crash!!!
A crash has been intercepted by the crash handler. For call stack and other details, see the latest crash report generated in:

  • C:/Users/BETHSH~1/AppData/Local/Temp/Unity/Editor/Crashes
    SymInit: Symbol-SearchPath: ‘C:/Program Files/Unity Hub/2021.3.20f1/Editor/Data/Mono;.;C:\Unity Projects\The Retreat;C:\Unity Projects\The Retreat\Library\BurstCache\JIT;C:\Program Files\Unity Hub\2021.3.20f1\Editor;C:\WINDOWS;C:\WINDOWS\system32;’, symOptions: 534, UserName: ‘Bethsheba Ashe’
    OS-Version: 10.0.0
    C:\Program Files\Unity Hub\2021.3.20f1\Editor\Unity.exe:Unity.exe (00007FF7903A0000), size: 74100736 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 2021.3.20.30871
    C:\WINDOWS\SYSTEM32\ntdll.dll:ntdll.dll (00007FFF39670000), size: 2064384 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2130
    C:\WINDOWS\System32\KERNEL32.DLL:KERNEL32.DLL (00007FFF39120000), size: 782336 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2546
    C:\WINDOWS\System32\KERNELBASE.dll:KERNELBASE.dll (00007FFF372B0000), size: 2957312 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2546
    C:\WINDOWS\System32\CRYPT32.dll:CRYPT32.dll (00007FFF36D70000), size: 1400832 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2486
    C:\WINDOWS\System32\ucrtbase.dll:ucrtbase.dll (00007FFF37080000), size: 1048576 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.789
    C:\WINDOWS\System32\USER32.dll:USER32.dll (00007FFF379F0000), size: 1708032 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2486
    C:\WINDOWS\System32\win32u.dll:win32u.dll (00007FFF37590000), size: 139264 (result: 0), SymType: ‘-deferred-’, PDB: ‘’, fileVersion: 10.0.19041.2604
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Any help will be appreciated. I’ve been working on this project for a year to get to this point.

2

Lost progress / project / work / stuff disappeared in Unity.

This article is to help you when you have lost significant progress or work in your Unity project.

It is designed to give you avenues of discovery and investigation.

It is NOT a guarantee of restoring your lost work. It is NOT a substitute for proper IT / Data security procedures.

To decide which parts are applicable to you, look for major bolded headings.

EVERYTHING IS GONE, YOU CANNOT OPEN THE PROJECT

Your project probably is still on your computer. Try a computer-wide search for some unique filenames that you know are in the project you think is gone.

To start your search, one common file to all Unity projects is named ProjectSettings.asset

Some things that might have happened:

  • you are not opening the project that you think you are
  • you are in the correct project but not opening the same scene you had open before
  • you dragged the project (or part of it) into the trash (intentionally or inadvertently)
  • you moved the project (or part of it) somewhere else (intentionally or inadvertently)
  • an overly-aggressive antivirus solution quarantined it because it saw code being compiled in there
  • you’re using a directory sync like OneDrive or Dropbox… NEVER USE THESE SERVICES WITH UNITY!
  • something else??

As I said, it’s probably still all on your system to be found if you look in the right places.

A typical Unity project will have at a minimum the following folders:

ProjectSettings\
Packages\```

**EVERYTHING IS PRESENT BUT MY SCENE WINDOW IS BLANK**

Close Unity and make a full project backup RIGHT NOW. Do not do ANYTHING else until you back it up 100%.

Ideally copy that backup to another computer, or back it up to another external hard drive entirely. This is just basic data processing best practices during data recovery operations.

If you can see all the files and folders of your project, make sure you are opening the scene file you were working in.

Once you have opened the scene, look in the hierarchy window, select an object and move the mouse over the Scene window and press F to focus that object.

Additional notes:

- ALWAYS use proper industrial grade source control (see below)
- NEVER use Dropbox or any file sync mechanism in Unity.
- NEVER move files within your project, except by doing it within Unity
- ALWAYS be sure you are fully backed up before upgrading Unity

**SCRIPTS OR ASSETS ARE MISSING OR BLANK**

Some info about Missing script warnings, broken prefabs, GUIDs, renaming GUIDs, etc:

https://discussions.unity.com/t/836322/2
https://discussions.unity.com/t/815173/7
https://discussions.unity.com/t/815173/9

EVERYTHING in Unity is connected to the above GUID, which is stored ONLY in the metafile, and hence why the metafiles ALWAYS MUST be source-controlled.

**When Renaming**: It is super-easy to inadvertently change the GUID by renaming outside of Unity. Don't do that. Instead:

- close Visual Studio (important!)
- rename the file(s) in Unity
- in Unity do Assets -> Open C# Project to reopen Visual Studio
- now rename the actual classes, and MAKE SURE THE FILE NAMES DO NOT CHANGE!

If you are NOT using source control while you do this, renaming files is an EXTREMELY dangerous process. Use source control at all times so that you can trivially revert if you miss a critical step and damage your project.

**UNITY CRASHES / FREEZES WHEN I OPEN MY PROJECT**

You must isolate if there is something wrong with your Unity installation, something wrong with your project, or perhaps just a corrupted import or asset database.

First, ALWAYS back your project up. Then try deleting the ```Library/``` and ```Temp/``` folders that are within your project, the directories that are peers to the ```Assets``` and ```ProjectSettings``` folders.

If that doesn't work it is time to bisect. Make a new empty project and get Unity to open that. If you cannot then it is time to fix your Unity installation, either by fully reinstalling or verifying it with the hub.

Once you have an empty project open, begin copying over your project. Try the entire thing. If it crashes, try half of the project, then the other half, etc.

As always, if you're using Windows, another "first thing to try" is to simply reboot the system. This often fixes typical Windows issues related to locked files and locked directories.

**ISSUES RELATED TO UPGRADING PROJECTS (eg, changing to a higher Unity version)**

Upgrading to a later version of Unity is a one-way process. Any project that has been updated should NEVER be reverted to an earlier version of Unity because this is expressly not supported by Unity. Doing so exposes your project to internal inconsistencies and breakage that may actually be impossible to repair.

If you want to upgrade to a newer version of Unity, do not even consider it until you have placed your project fully under proper source control. This goes double or triple for non-LTS (Tech Stream) versions of Unity3D, which can be extremely unstable compared with LTS.

Once you have source-controlled your project then you may attempt a Unity upgrade. Immediately after any attempted upgrade you should try to view as much of your project as possible, with a mind to looking for broken animations or materials or any other scripting errors or runtime issues.

After an upgrade you should ALWAYS build to all targets you contemplate supporting: iOS and Android can be particularly finicky, and of course any third party libraries you use must also "play nice" with the new version of Unity. Since you didn't write the third party library, it is up to you to vet it against the new version to make sure it still works.

If there are issues in your testing after upgrading Unity, ABANDON the upgrade, revert your project in source control and be back where you were pre-upgrade with the earlier version of Unity.

Obviously the less you test after the upgrade the more chance you will have of an undiscovered critical issue.

This risk of upgrading is entirely on you and must be considered whenever you contemplate a Unity version upgrade.

Do not upgrade "just for fun" or you may become very unhappy.

**PROPERLY CONFIGURING AND USING ENTERPRISE SOURCE CONTROL**

I'm sorry you've had this issue. Please consider using proper industrial-grade enterprise-qualified source control in order to guard and protect your hard-earned work.

Personally I use git (completely outside of Unity) because it is free and there are tons of tutorials out there to help you set it up as well as free places to host your repo (BitBucket, Github, Gitlab, etc.).

You can also push git repositories to other drives: thumb drives, USB drives, network drives, etc., effectively putting a complete copy of the repository there.

As far as configuring Unity to play nice with git, keep this in mind:

https://discussions.unity.com/t/736093/3

I usually make a separate repository for each game, but I have some repositories with a bunch of smaller test games.

Here is how I use git in one of my games, Jetpack Kurt:

https://discussions.unity.com/t/807568/3

Using fine-grained source control as you work to refine your engineering:

https://discussions.unity.com/t/826718/2

Share/Sharing source code between projects:

https://discussions.unity.com/t/719810/2

Setting up an appropriate .gitignore file for Unity3D:

https://discussions.unity.com/t/834885/5

Generally setting Unity up (includes above .gitignore concepts):

https://thoughtbot.com/blog/how-to-git-with-unity

It is only simple economics that you must expend as much effort into backing it up as you feel the work is worth in the first place. Digital storage is so unbelievably cheap today that you can buy gigabytes of flash drive storage for about the price of a cup of coffee. It's simply ridiculous not to back up.

If you plan on joining the software industry, you will be required and expected to know how to use source control.

"Use source control or you will be really sad sooner or later." - StarManta on the Unity3D forum boards
3

Thank you Kurt! You’re a lifesaver! I was able to get the project open after deleting the Library and Temp folder. The Library folder was over 100Gb! No wonder I was getting crashes!

4

You should still read and apply the part about source control and proper backups of the project. Putting in a year of work without using source control is a recipe for failure.