Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Engine!UAnimMontage::IsValidAdditive() [animmontage.cpp:702]
OLD - Anim - May 19, 2016Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 687 if (SyncGroup != NAME_None) 688 { 689 CollectMarkers(); 690 ...
[CrashReport] UE4Editor_Cascade!FCascadeEdPreviewViewportClient::GetCascade() [cascadepreviewviewportclient.h:72]
UE - Niagara - Jul 14, 2017This is a common crash affecting users in 4.16. It appears to be a continuation of [Link Removed]. Users have not provided additional information about this crash. Source Context/** Accessors */ ...
Missing receipt error packaging Blueprint project for tvOS with custom iOS icon (Launcher build)
UE - Platform - Mobile - Apr 15, 2019This failure occurs when trying to package SunTemple for TVOS. It did not occur with a blank blueprint project, until I added a custom iOS icon and tried to package a second time (I hypothesize th ...
[CrashReport] UE4Editor_BlueprintNativeCodeGen!FBlueprintNativeCodeGenModule::GenerateSingleAsset() [blueprintnativecodegenmodule.cpp:391]
UE - Gameplay - Blueprint Runtime - Aug 22, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: bSuccess [Link R ...
Some materials render black on Iphone 6 series phones
UE - Platform - Mobile - Oct 6, 2016Some materials are not rendering on iphone 6 series devices. They will render completely black on one device but not others in the same series. Replacing the material with a basic material renders o ...
[CrashReport] UE4Editor_UnrealEd!SCurveEditor::OnObjectPropertyChanged
Tools - Aug 1, 2017This is a common crash that has affected more than 170 users since at least 4.15 and occurring into 4.17. Based on one user description and frequent project names, this appears to commonly correla ...
BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.
UE - Framework - Blueprint - Apr 11, 2024When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...
Orphaned BP actors when using UWorldPartitionBuilder
UE - World Creation - Worldbuilding Tools - World Partition - Nov 21, 2025From an EPS case: --------------------------------- We're seeing a recurring issue where child BP actors are becoming orphaned during any processing that uses UWorldPartitionBuilder. It affects ...
[CrashReport] UE4Editor_Engine!USimpleConstructionScript::RemoveNodeAndPromoteChildren() [simpleconstructionscript.cpp:785]
UE - Gameplay - Blueprint - Jul 5, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 770 AllNodes.Remove(Node); 771 772 Node->bIsParen ...
[CrashReport] Assertion failed: GIsHotReload inside UObjectBaseUtility::GetOutermost()
UE - Foundation - Core - Jun 14, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: GIsHotReload [Link Removed] [Line: 564] Source Context: 103 ...