Unreal Engine Issues
Unreal Engine Issues
Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key
UE - Gameplay - Blueprint - Jun 17, 2019Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...
[CrashReport] UE4Editor_Engine!FStaticMeshRenderData::AllocateLODResources() [staticmesh.cpp:775]
UE - Graphics Features - Apr 19, 2018No user comments in crash group 771 void FStaticMeshRenderData::AllocateLODResources(int32 NumLODs) 772 { 773 check(LODResources.Num() == 0); 774 ***** while (LODResour ...
Crash adding subscene to a looped subscene - MovieSceneSequenceTransform.h - WarpCounts.Num() == NestedTransformsSize
UE - Anim - Sequencer - Oct 11, 2021Crash adding subscene to a looped subscene. Note this did not repro with brand new sequences not sure what's different about this older content. This also occurs in Release-5.0. ...
PN Tessellation and Grass Node Crash Engine
UE - LD & Modeling - Terrain - Landscape - May 14, 2015Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...
Crash when enabling r.PSOPrecache.Resources due to check() in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData
UE - Rendering Architecture - Dec 3, 2024The game crashes because of a nullptr SkinnedMeshComponent in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData when r.PSOPrecache.Resources is enabled and a skeletal mesh is loaded due to a new ...
[CrashReport] UE4Editor_CoreUObject!FDuplicateDataWriter::Serialize() [duplicateddatawriter.h:51]
UE - Graphics Features - Mar 27, 2018Comments from users:Yeah lost all of my work. Tried to save again as a new name and crashedTried to save map as a new name. Lost a bunch of work.I saved as another level and it closedTried to save m ...
Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()
UE - Gameplay - Aug 6, 2024In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...
BP - Exclusive nativization will fail at cook time if an Actor BP class enabled for nativization includes a Component BP that's not enabled for nativization in its component list.
UE - Gameplay - Blueprint - Apr 26, 2017This happens because the Blueprinted component is not also enabled for nativization, but the nativized Actor BP tries to use it as a native class type. Current workaround: Ensure that the Blueprint ...
Crash closing animation blueprint after compile
OLD - Anim - Apr 11, 2017Crash occurs when the user closes an animation blueprint after compiling it. This does not occur in Main. ...
SkeletalMeshSimulationComponent does not work
UE - Simulation - Physics - Oct 28, 2019SkeletalMeshSimulationComponent does not effect the simulation of geometry collections to interact with skeletal meshes and setting the component to dynamic results in a crash. ...