Assertion failed on expression: 'itGuid != guidMap.end()'

[Peter77]

It’s an Addressables issue and occurs in various Unity versions:

BUG: A meta data file (.meta) exists but its asset 'Assets/StreamingAssets/aa' can't be found

Building a Windows Standalone Player with Unity 2019.3.7f1 and Addressables 1.7.5, causes the Addressables System to output the following warning always: The entire related log is: Copying Addressables data from Library/com.unity.addressables/StreamingAssetsCopy/aa/Windows to C:/Users/crash/Documents/TestProject/Assets/StreamingAssets/aa/Windows. These copies will be deleted at the end of the build. UnityEngine.Debug:Log(Object) AddressablesPlayerBuildProcessor:OnPreprocessBui…