Editor systematically crash because of uncompression

We cannot work on our project anymore…
Problem appeared on Computer A (Windows 10, UE 4.23): each time we want to save the project, it crashes.
We found some corrupted files in project’s Content folder, cleaned them and copied the project into another computer (Computer B, Windows 10, UE 4.23) with a “clean” version of the engine. Here, unreal crashes while opening the project. Logs are very similar for both crashes.
It’s currently blocking all our development, our software is designed for healthcare and thus it’s currently really critical…

We already tried:

  • Changing first Map to load in the Engine.ini → same error
  • Deleting Saved and Intermediates → same error
  • Uninstall and re-install Engine → Same error

Thanks in advance for the support.

Here is the error message from crash logs:

[2020.12.08-15.10.35:023][  0]LogWindows: Error: === Critical error: ===
[2020.12.08-15.10.35:023][  0]LogWindows: Error: 
[2020.12.08-15.10.35:024][  0]LogWindows: Error: Assertion failed: bUncompressMemorySucceeded [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Core/Private/Serialization/Archive.cpp] [Line: 690] 
[2020.12.08-15.10.35:024][  0]LogWindows: Error: Failed to uncompress data in D://Drafts/Moutain_Debugged_08_12_2020/Content/CottageInWood/Textures/T_Kitchen_cabinet07_N.uasset. Check log for details.


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