Unreal Engine Issues
Unreal Engine Issues
[CrashReport] FGenericPlatformMemory::OnOutOfMemory | TArray<FCompressedChunk,FDefaultAllocator>::ResizeTo
UE - Foundation - Core - Jul 20, 2017This is a common crash affecting users in 4.16, and has occurred since at least 4.12 for more than 200 unique users. The callstack has similarities to [Link Removed], and as-such may be out of our ...
[AI] Failed check in UMassSpawnerSubsystem::DestroyEntities due to EntityManager still procesing
UE - AI - Mass - Sep 7, 2025It crashed when unspawning an AI which will destroy its entity. Inside DestroyEntities "IsProcessing" is true, but when it breaks into the debugger, "ProcessingScopeCount" is 0 (so IsProcessing shou ...
[CrashReport] UE4Editor_Engine!FSoundConcurrencyManager::RemoveActiveSound() [soundconcurrency.cpp:545]
UE - Audio - Oct 5, 2017This is a common crash that has occurred since at least 4.15. The callstack is similar to [Link Removed], which was resolved in 4.16. User Descriptionsdisable sound concurrency Source Context 5 ...
[CrashReport] UE4Editor_BlueprintCompilerCppBackend!FEmitDefaultValueHelper::HandleInstancedSubobject() [blueprintcompilercppbackendvaluehelper.cpp:2148]
UE - Gameplay - Blueprint Compiler - Mar 20, 2018No user comments in crash group 2143 // We should always be the one creating an instance in this case. 2144 check(bCreateInstance); 2145 2146 // Dummy object tha ...
Unable to create a 'World Soft Object Reference' Variable from the Variables Panel
UE - Framework - Blueprint Editor - Jun 21, 2018Soft references to World objects (TSoftObjectPtr<UWorld>) cannot be directly created in blueprints. These types work fine in blueprints but cannot be directly created. The reason soft references are ...
[CrashReport] Assertion failed: Canary == ShaderMagic_Initialized
UE - Graphics Features - Jun 13, 2017This is a common crash among the community since at least the 4.14 release. Additional information is not currently available. This is spread among numerous different CrashGroups between releases w ...
[CrashReport] UE4Editor_Slate!FSlateApplication::RoutePointerMoveEvent() [slateapplication.cpp:5195]
UE - Editor - UI Systems - Slate - Jun 28, 2017This is a longstanding crash that occurs with low frequency, but has affected over 200 users. One user describes that this occurred while packaging a project, although other users have not provided ...
[CrashReport] UE4Editor_Engine!FShaderCompileUtilities::DoReadTaskResults() [shadercompiler.cpp:663]
UE - Graphics Features - Dec 6, 2017Top Crash in 4.18 release Users have provided no comments on the issue Source Context:// Read single jobs 651 { 652 int32 SingleJobHeader = -1; 653 OutputFile << Si ...
[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()
UE - Gameplay - Blueprint - Sep 8, 2017This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...
[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()
UE - Gameplay - Blueprint Editor - Jul 14, 2017This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...