Unreal Engine Issues
Unreal Engine Issues
Crash Occurs on Project Load When Casting a Child Actor Component's Parent to the Parent Class
UE - Gameplay - Blueprint - Dec 5, 2016A crash is occurring on project load when attempting to use GetParentActor and cast that to a Parent class that contains a child actor component inside of that child actor component's blueprint. T ...
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 ...
Crash on launch from executable after upgrade from 4.7.3 to 4.7.4 (CachedAssetRegistry.bin corruption).
Tools - Apr 3, 2015A user is reporting a crash on launch when launching from the executable rather than the Launcher. User did not have the problem in 4.7.3. No logs or additional information was provided beyond this: ...
Crash in TMap struct deserializer
UE - Foundation - Core - Sep 20, 2016When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...
Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)
UE - Gameplay - Blueprint - Apr 20, 2018A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...
Crash in K2Node_CallFunction
UK2Node_CallFunction::GeneratePinTooltipFromFunction relies a lot on loops that increment the index used to check the individual characters in the comments. The problem is that there are a few miss ...
A Blueprint containing a Macro with a Wild Card input crashes when a Custom Event node has an additional input added
UE - Gameplay - Blueprint - Aug 16, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 In UE4 an error is thrown when attempting to add an input. A Blueprint containing a Macro with a Wild Card input crashes when a Custom ...
Adding widget to viewport on code overlap event causes the editor to crash when opening child blueprint
UE - Editor - UI Systems - Oct 30, 2015Setting a UMG widget to be added to viewport when a volume is overlapped though code and creating a blueprint of this class causes the editor to crash when the blueprint is opened if the BP has a st ...
Swapping between Multiple Cloth Skeletal Meshes and Animation Classes in a Character Blueprint causes the Engine to crash
UE - Simulation - Physics - Aug 2, 2018When changing Cloth Skeletal Meshes and Animation Blueprints on a Character it will cause the Engine to crash during PIE. This is a regression from 4.19.2 (CL-4033788) as it was working as expected ...
Crash occurs in Hierarchical Instanced Static Mesh of Mesh with MinLOD set to 1 or higher
UE - Graphics Features - Oct 22, 2020I have attached a reproduction project with the above settings.[Link Removed] It crashes when packaged, launched and moved in-game. This issue seems to occur when there is an object in the Unbuilt ...