Unreal Engine Issues
Unreal Engine Issues
Moving a custom cusor (widget blueprint) to another folder after it has been set as the Default mouse can cause a crash
UE - Editor - UI Systems - Mar 2, 2015Moving a custom cursor after it has been set as the default cursor will break the path being used and if the user tries to reset the path but selecting the widget again the editor will crash without ...
Crash importing FBX
UE - Editor - Content Pipeline - Import and Export - Jan 7, 2015User reporting as a 4.7 Bug, but no crash report for this bug available for 4.7. Same bug found reported for 4.6.1: Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseExceptio ...
Crash when destroying a pawn on the client
UE - Networking - Jul 6, 2015Crash when destroying a pawn on the client. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2610743). This is a regression: the crash does not occur in 4.7.6 Crash Report: [Link Removed] ...
Crash on hot reload for DynamicDelegate
UE - Foundation - Core - Mar 23, 2020This issue may be badly implemented, but the reference to the VTable may be incorrect during a hot reload. Crash always in sample project. Summary:Call ForeachRow function in Custom Struct constr ...
Crash during PIE using the Spawn Actor node on EventBegin Play on Mac
UE - Platform - Apple - Feb 23, 2016A user has reported a crash when attempting to use the 'Spawn Actor' node within his level blueprint. I was able to follow the repro steps provided in the original answerhub post and get the crash ...
Crash when exposing a TOptional<FName> or TOptional<FText> to the editor through a UProperty.
UE - Editor - Workflow Systems - Mar 25, 2025Support for editor-exposed uproperties of type TOptional<T> has been added by CL 28199740 on september 2023. However, since then until today in UE 5.5, a crash can happen when exposing TOptional<FNa ...
Closing Chunk Parameters tabs with chunk selected and reopening Destructible will cause crash
UE - Simulation - Physics - Destruction - Mar 2, 2015When opening a DM selecting any chunk, even the unfractured mesh, closing the chunk parameters tab and reopening the DM will result in a crash. If that DM is opened and clicked in the viewport it ...
Expand Node crashes engine
UE - Gameplay - Blueprint - Dec 4, 2014The engine crashes when after right-click > Expand Node on any composite node. Crash Report: [Link Removed] ...
Copying struct value using Set node from null source crashes
UE - Gameplay - Blueprint - Jun 23, 2015Trying to access a Game Instance in a Blueprint's Construction Script results in a crash in 4.8 and 4.9. No crash occurred in 4.7.6 with the same Blueprint. This crash only seems to happen if the v ...
Crash when using stereo on command in shipping build
UE - Platform - XR - Jan 6, 2017Crash when using stereo on command in shipping build. The game crashes when the stereo on command is called via an Execute Console Command node. ...