Unreal Engine Issues
Unreal Engine Issues
[CrashReport] FindWindowByHWND | IsCursorDirectlyOverSlateWindow
Tools - Nov 21, 2017This is a common crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares some similarities to [Link Removed] Source Conte ...
[CrashReport] UE4Editor_Core!TArray<wchar_t,FDefaultAllocator>::operator=() [array.h:396]
Tools - Nov 21, 2017This is a common crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack seems to be the same as [Link Removed], which ...
Importing specific Alembic geometry cache fails
UE - Editor - Content Pipeline - Import and Export - Oct 3, 2018According to Licensee this problem seems to be caused by the time to sample the data. By changing the time to frame number, the import seems to be successful. \Engine\Plugins\Experimental\AlembicI ...
[CrashReport] UE4Editor_SlateCore!FHittestGrid::FindFocusableWidget<<lambda_3a8b364273a2882da220e6e492096c17>,<lambda_d0075a811a928600995d1b2de6795365>,<lambda_105424556dbaeebf7f5bf9bed3e2f737> >() [hittestgrid.cpp:397]
UE - Editor - UI Systems - Jun 18, 2018No user comments in crash group 394 for (StrideCellPoint[StrideAxis] = StrideAxisMin; StrideCellPoint[StrideAxis] <= StrideAxisMax; ++StrideCellPoint[StrideAxis]) 395 { 396 ** ...
AddForce behaves inconsistently between PIE and Standalone Game / Build
UE - Simulation - Physics - Apr 23, 2020This example consists of a simple BP Actor, containing a Collision Sphere and Static Mesh (Sphere). The BP has Simulate Physics Ticked on, the Mass in KG is 1 and collision preset is set to Block Al ...
AActor::CheckActorComponents has misleading warning
UE - Framework - Components - Apr 24, 2023There's actually two issues going on here: 1. The REINST references are incorrect, and due to [Link Removed] Backlogged . ...
Color picker widget auto-closes unnecessarily
UE - Editor - Aug 3, 2026A licensee reports that the color picket widget in Unreal Editor closes whenever a blueprint actor (map placed instance of an actor blueprint) receives a property changed event, even if the change e ...
Enabling ZenLoader causes editor crash when undoing Level Instance deletion
UE - Core - Systems - Sep 5, 2024Crash reported through UDN. With ZenLoader enabled, deleting a level instance and triggering Undo causes a crash in ULandscapeComponent::PostEditUndo() The user has provided an example project th ...
Bone names of ~100 characters or longer crash the editor when baking to control rig
UE - ACT Character - Control Rig - May 15, 2025This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...
Using FObjectFinder outside of the constructor causes crash
UE - Foundation - Core - May 19, 2015If FObjectFinder is used in a function other than the constructor, which should not be done, it causes a crash. ...