Cinemachine PackageManager Error

Unity Engine
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1

I have Unity version : 2019.4.14f1 I opened a new project first thing i did was install Cinemachine through Package Manager.And I got this error.I didn’t install any samples of Cinemachine into project as soon as i install cinemachine Package Manager disseapered.

6544231--740128--upload_2020-11-20_18-2-23.png
6544231--740128--upload_2020-11-20_18-2-23.png1920×1043 162 KB

I recently changed my downloaded asset folder to another disk. I linked the file “Asset Store-5.x” from My C disc to my F disc and the project is on my G disc. Error might be happening from this?

Error Log:
Package Manager Window had an error while completing an operation: System.IO.FileNotFoundException: Could not find file ‘G:\Tools\Projelerim\Game Development\Company\Games\GameOnProgress\3D\Blockade\Library\PackageCache\com.unity.cinemachine@2.6.3\Samples~/Nested Timeline Scrub Bubble\CinemachineTimelineEditorExtensions\TimelineEditorExtensions\TimelineEditorExtensions.asmref.meta’.
File name: ‘G:\Tools\Projelerim\Game Development\Company\Games\GameOnProgress\3D\Blockade\Library\PackageCache\com.unity.cinemachine@2.6.3\Samples~/Nested Timeline Scrub Bubble\CinemachineTimelineEditorExtensions\TimelineEditorExtensions\TimelineEditorExtensions.asmref.meta’
at System.IO.__Error.WinIOError (System.Int32 errorCode, System.String maybeFullPath) [0x000c4] in <9577ac7a62ef43179789031239ba8798>:0
at System.IO.FileInfo.get_Length () [0x0003f] in <9577ac7a62ef43179789031239ba8798>:0
at (wrapper remoting-invoke-with-check) System.IO.FileInfo.get_Length()
at UnityEditor.PackageManager.UI.IOUtils.DirectorySizeInBytes (System.String path) [0x00027] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.Sample.get_size () [0x00031] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.PackageSampleItem…ctor (UnityEditor.PackageManager.UI.IPackageVersion version, UnityEditor.PackageManager.UI.Sample sample) [0x00042] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.PackageSampleList.SetPackageVersion (UnityEditor.PackageManager.UI.IPackageVersion version) [0x0007e] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.PackageDetails.SetDisplayVersion (UnityEditor.PackageManager.UI.IPackageVersion version) [0x00241] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.PackageDetails.SetPackage (UnityEditor.PackageManager.UI.IPackage package, UnityEditor.PackageManager.UI.IPackageVersion version) [0x0004d] in <68af50843d0a45398c92799647332ec2>:0
at UnityEditor.PackageManager.UI.PackageDetails.OnPackagesUpdated (System.Collections.Generic.IEnumerable1[T] updatedPackages) [0x00085] in <68af50843d0a45398c92799647332ec2>:0 at UnityEditor.PackageManager.UI.PackageDetails.<OnEnable>b__23_0 (System.Collections.Generic.IEnumerable1[T] added, System.Collections.Generic.IEnumerable1[T] removed, System.Collections.Generic.IEnumerable1[T] preUpdate, System.Collections.Generic.IEnumerable1[T] postUpdate) [0x00000] in <68af50843d0a45398c92799647332ec2>:0 at (wrapper delegate-invoke) System.Action4[System.Collections.Generic.IEnumerable1[UnityEditor.PackageManager.UI.IPackage],System.Collections.Generic.IEnumerable1[UnityEditor.PackageManager.UI.IPackage],System.Collections.Generic.IEnumerable1[UnityEditor.PackageManager.UI.IPackage],System.Collections.Generic.IEnumerable1[UnityEditor.PackageManager.UI.IPackage]].invoke_void_T1_T2_T3_T4(System.Collections.Generic.IEnumerable1<UnityEditor.PackageManager.UI.IPackage>,System.Collections.Generic.IEnumerable1<UnityEditor.PackageManager.UI.IPackage>,System.Collections.Generic.IEnumerable1<UnityEditor.PackageManager.UI.IPackage>,System.Collections.Generic.IEnumerable1<UnityEditor.PackageManager.UI.IPackage>)
at UnityEditor.PackageManager.UI.PackageDatabase+PackageDatabaseInternal.OnPackagesChanged (System.Collections.Generic.IEnumerable1[T] packages) [0x00168] in <68af50843d0a45398c92799647332ec2>:0 at (wrapper delegate-invoke) System.Action1[System.Collections.Generic.IEnumerable1[UnityEditor.PackageManager.UI.IPackage]].invoke_void_T(System.Collections.Generic.IEnumerable1<UnityEditor.PackageManager.UI.IPackage>)
at UnityEditor.PackageManager.UI.UpmClient+UpmClientInternal.OnPackageInfosUpdated (System.Collections.Generic.IEnumerable1[T] packageInfos) [0x00166] in <68af50843d0a45398c92799647332ec2>:0 at UnityEditor.PackageManager.UI.UpmClient+UpmClientInternal.OnProcessAddResult (UnityEditor.PackageManager.Requests.Request1[T] request) [0x00042] in <68af50843d0a45398c92799647332ec2>:0
at (wrapper delegate-invoke) System.Action1[UnityEditor.PackageManager.Requests.AddRequest].invoke_void_T(UnityEditor.PackageManager.Requests.AddRequest) at UnityEditor.PackageManager.UI.UpmBaseOperation1[T].OnSuccess () [0x00002] in <68af50843d0a45398c92799647332ec2>:0

2

Interesting. I’m not able to reproduce this issue.

Using windows.
New project with Unity 2019.4.14f1.
Install Cinemachine 2.6.3 from package manager.
No errors.

Have you tried deleting your Library folder and re-opening the project?

3

You might be tripping over a bug where the package manager rejects paths that are too long. Can you try moving your project to a place with a short path?

4

Hi Gregoryl,

It seems like you are right, path was too long for cinemachine somehow. I repeated the process with a smaller path. Errors didn’t occured this time. Thank you for your time.

5

Is there any way (a fix from Unity) to avoid this bug?
I have the same issue, and because of organizational reasons, the path to my project can’t really be shorter

6

Yes, Unity is fixing this. It may have already been fixed, I’m not sure. Try with the latest 2020.2.

7

Thanks Gregoryl

2020.2.1 is the latest version so far, still waiting for 2020.2.2 since last year :slight_smile: hopefully that will come soon. The Cinemachine error isn’t a big show stopper at the moment anyway