Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Crash on Mac due to uncaught exception 'NSRangeException' - NSCFConstantString characterAtIndex
UE - Platform - Apple - Jul 27, 2017This is a common and longstanding community crash on Mac. Users have not provided descriptions when they crash, so additional information is currently not available. A log file is attached. Callsta ...
[CrashReport] Assertion on Mac in FCocoaRunLoopSource
UE - Platform - Apple - Jun 14, 2017This is a common crash among Mac users in 4.16. It is spread out among many separate CrashGroups, with slight variations in Callstack. Some Example CrashGroups [Link Removed] [Link Removed] [Link ...
[CrashReport] Mac crash - USpeedTreeImportFactory::FactoryCreateBinary()
Tools - Sep 8, 2017This is an infrequent Mac crash that has occurred for a few users since at least 4.16. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares simil ...
CPF_TextExportTransient and RF_TextExportTransient inconsistent behavior
UE - Framework - Blueprint - May 23, 2024The TextExportTransient can be specified as a property flag and object flag. Behavior is inconsistent: there are many ways in which an object marked TextExportTransient can still be part of the text ...
Ensure condition failed : SkeletalMeshLocation module on scaled SkeletalMesh
UE - Niagara - Jul 14, 2020The message in ensure is below LogOutputDevice: Error: === Handled ensure: === LogOutputDevice: Error: Ensure condition failed: (FMath::Abs(1.f - M.GetScaledAxis(EAxis::X).SizeSquared()) <= (1.e-4 ...
Crash in MaterialInstance when deleting a layer
UE - Graphics Features - May 4, 2021Repro from licensee here - [Link Removed] ...
Breaking a level instance can not remove the level instance from world
UE - World Creation - Worldbuilding Tools - Level Instances - Nov 5, 2024Currently there is no stable way to break level instances ...
AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.
UE - Gameplay - Jan 11, 2016This is a continuation of [Link Removed]. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. ...
Performing a Hot Reload after changing a custom component code class can make the component unusable in Blueprints, or crash the Editor.
UE - Gameplay - Blueprint - Feb 19, 2015Performing a Hot Reload after altering a custom component code class can make the component unusable in Blueprints, and even crash the Editor. WORKAROUND: Close and re-open the Editor. ...
[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]
UE - Gameplay - Blueprint - Jan 17, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: GEditor->GetSele ...