Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::GetDefaultTabIcon()
Tools - Nov 2, 2017This is a fairly common crash that occurs in the 4.17 and 4.18 releases. This callstack was originally being tracked under [Link Removed], but that had specific repro steps that were confirmed fixed ...
[CrashReport] Tutorial crash UObject::execLetValueOnPersistentFrame()
UE - Gameplay - Blueprint - Jul 7, 2017This is another Tutorial crash that shares a similar callstack with [Link Removed] and [Link Removed], but those specific repro steps have been fixed while this one is still occurring in 4.16.2. On ...
Move 'Scale is not valid' warning to MessageLog to make it more noticeable.
UE - Foundation - Core - Aug 30, 2016Memory leak when comparing scale value with 0 on transform. It appears that the memory used by the editor increases by 25-50 mbs while comparing the scale to 0. Regression (no) issue (does) occur ...
Packaging fails after changing from Dynamic to Static Nav Mesh Runtime Generation
UE - AI - Feb 8, 2016If you package with Runtime Generation set to Dynamic and then switch to Static and attempt to repackage, the packaging will fail with the following error message.[2016.02.08-16.18.14:511][217]MainF ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...
[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]
UE - Gameplay - Blueprint Compiler - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...
[CrashReport] Assertion failed: Array index out of bounds - GetPhysicsTriMeshData() [modelcomponent.cpp:688]
UE - Simulation - Physics - Oct 30, 2017This is a semi-common crash that has occurred since at least 4.17.1. The callstack is nearly identical to [Link Removed], which was fixed in 4.18.0, however the error message and source context are ...
Adding a New Blackboard Key While Searching for a Blackboard Key Causes the Editor to Crash
UE - AI - Nov 12, 2015When you use the search bar located under the New Key button in a Blackboard asset, if you attempt to press New Key while you have text in the search field, the editor will crash after you select th ...
[CrashReport] UE4Editor_Slate!FMenuStack::DismissInternal() [menustack.cpp:582]
UE - Editor - UI Systems - Slate - Apr 15, 2016Error Message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 1 from an array of size 0 Source Context: 567 } 568 } 569 ...
Crash after creating a suboject for RootComponent if the actor is placed on the level
UE - Foundation - Cpp Tools - Hot Reload - Nov 6, 2020The crash occurs when trying to assign a new value to RootComponent if the Pawn is already placed on the level Crash does not happen in P4 //UE4/Release-4.25.3 CL 13942748 Other steps to reproduc ...