Assertion Failed when saving map

Development Programming & Scripting Blueprint
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1

When saving a level, UE4 crashes and gives me the following report. I’m not sure what to do here. I’ve restored previous versions, but it still crashes. Any ideas?

LoginId:6ba3c5bd4c7f55833cbca4a39e2dc581
EpicAccountId:1cfbb76ca2c340dfba5d3518d4c419fc

Assertion failed: bUncompressMemorySucceeded [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Core\Private\Serialization\Archive.cpp] [Line: 699] Failed to uncompress data in …/…/…/…/Users/mbwhi/Documents/Unreal Projects/Bloodlines/Content/Eudros/Eudros.umap. Check log for details.

UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_KismetCompiler
UE4Editor_Kismet
UE4Editor_Kismet
UE4Editor_Kismet
UE4Editor_UnrealEd
UE4Editor_Engine
UE4Editor_CoreUObject
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_LevelEditor
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
user32
user32
UE4Editor_ApplicationCore
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll

2

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks