This is a common crash in the 4.16 and 4.17 releases.
User Descriptions
Source Context
278 // As DEFAULT_ALIGNMENT is defined to 0 now, I changed that to the original numerical value here 279 const int32 AlignmentCheck = MIN_ALIGNMENT - 1; 280 281 // Check 'this' pointer before trying to access any of the Object's members 282 if ((this == nullptr) || (UPTRINT)this < 0x100) 283 { 284 UE_LOG(LogUObjectBase, Error, TEXT("\'this\' pointer is invalid.")); 285 return false; 286 } 287 if ((UPTRINT)this & AlignmentCheck) 288 { 289 UE_LOG(LogUObjectBase, Error, TEXT("\'this\' pointer is misaligned.")); 290 return false; 291 } 292 ***** if (*(void**)this == nullptr) 293 { 294 UE_LOG(LogUObjectBase, Error, TEXT("Virtual functions table is invalid.")); 295 return false; 296 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294] UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::ProcessObjectArray() [fastreferencecollector.h:614] UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::FCollectorTaskQueue::DoTask() [fastreferencecollector.h:299] UE4Editor_CoreUObject!TGraphTask<TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::FCollectorTaskProcessorTask>::ExecuteTask() [taskgraphinterfaces.h:784] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [taskgraph.cpp:907] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [taskgraph.cpp:785] UE4Editor_Core!FTaskThreadBase::Run() [taskgraph.cpp:501] UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]
How does TextureRenderTarget2D get TArray<uint8> type data?
Why does the REMOVE method of map container remove elements have memory leaks?
How do I set a material as a post-processing material?
How to delete some elements correctly when deleting an array loop?
What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?
UMG RichText not appear image when packaged
What is the difference between Camera and CineCamera?
How to implement springarm components to scale according to mouse position in spawn?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-48712 in the post.