Unreal Engine Issues
Unreal Engine Issues
Crash when changing details of an animation in an Animation Composite
UE - Anim - Jun 7, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...
Editor sometimes crashes when trying to compile an Animation Blueprint that extends a class with AnimInstanceProxy
UE - Anim - Runtime - Anim Blueprints - Jan 10, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Seems to work fine when compiled once, but after the 2nd or 3rd time it crashes. ...
Interchange Runtime .glb Import Crash When Packaged
UE - Editor - Content Pipeline - Import and Export - Jun 10, 2025The runtime import process works fine in editor, but fatal error when trying to do so with packaged build of project. My function that calls ImportAsset():bool UMeshLoader::RequestMeshLoad(FString ...
Crash when loading Anim BP after undoing and saving "Use Shared Rule" in state machine
UE - Anim - Runtime - Jul 19, 2022Reported by UDN [Link Removed] From Slack discussion: It seems that undo-ing the transaction in UAnimStateTransitionNode::UseSharedRules, leaves the outer graph (UAnimationStateMachineGraph) wit ...
Editor crashes when edit foliage assigned to data layer in foliage mode
UE - World Creation - Worldbuilding Tools - Foliage - Apr 29, 2022Check() when loading a child anim BP used as a linked instance
UE - Anim - Runtime - Anim Blueprints - Jun 7, 2021Check encountered by CloudChamber. Slack thread: [Link Removed] ...
Geometry Collection crashing BP Simulation when set to enable Physics via Event Graph
UE - Simulation - Physics - Destruction - Dec 2, 2022Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur when user Simulates in level viewport, nor when geometry collecti ...
Widget Blueprints Fail to Compile When Copying Collapsed Graphs into Functions
UE - Gameplay - Blueprint - Jun 28, 2022Collapsed blueprint nodes that are copied and pasted into a function graph of a Widget will cause a fatal error when the blueprint compiles, as seen in the callstack, and will provide the message: " ...
OnlineServices-Lobbies: Crash when host migration message is received and the next host has already left the session
UE - Online - Sep 9, 2024A crash occurs at FindChecked in the code below.if (PreparedServiceChanges->OwnerAccountId) { InternalPublicData->OwnerAccountId = *PreparedServiceChanges->OwnerAccountId; if (bDispatchNot ...