Unreal Engine Issues
Unreal Engine Issues
Level Sequence option "Allow Level Edits Only" causes Frame Rate drop when used
UE - Anim - Sequencer - Aug 15, 2017When using the new option "Allow Level Edits Only" there is a drastic frame rate drop while playing the sequencer. This frame rate drops when only using this option. Versions Tested: 4.16.3 - CL: 3 ...
[CrashReport] UE4Editor_Engine!UGameViewportClient::Draw() [gameviewportclient.cpp:1170]
UE - Graphics Features - Apr 4, 2017Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 (first/seco ...
Crash duplicating or deleting any component inside of Actor BP if lights or triggers are present
UE - Gameplay - Blueprint Editor - Apr 25, 2017When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info. This is a regression. Working: 4.15.2 Broken: 4.16 ...
Post Process volume change Unable to PIE and Crash
Tools - May 30, 2017There is a compound issue with using the post process volume. Editing the value by using the mouse or dragging on the color wheel does not trigger this issue. Using the keyboard to edit this value c ...
Crash when breaking Level Instance within Data Layer Asset
UE - Engine Scaling - Streaming - World Partition - Feb 2, 2023A crash occurs when breaking a level instance contained in a data layer. This does not occur in 5.0.3, however the behaviors of Data Layers are different in 5.1 where the Data Layer asset is added ...
[CrashReport] UE4Editor_Core!rml::internal::ExtMemoryPool::initTLS()
UE - Foundation - Core - Mar 16, 2018No user comments in crash group 110 #if PLATFORM_MAC 111 // macOS expects all allocations to be aligned to 16 bytes, but TBBs default alignment is 8, so on Mac we always have to use ...
Packaging fails with Event Driven loader enabled and two function libraries reference each other
UE - Foundation - Core - Mar 29, 2017Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...
Crash: Changing Material Property Overrides of Material Instance
UE - Graphics Features - Dec 14, 2016When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...
[CrashReport] UE4Editor_Core!rml::internal::ExtMemoryPool::initTLS()
UE - Graphics Features - Feb 17, 2018No user comments in crash group 108 #endif 109 void* NewPtr = NULL; 110 #if PLATFORM_MAC 111 // macOS expects all allocations to be aligned to 16 bytes, but TBBs ...
uncaught exception: out of memory after launching project onto HTML5 (32-bit browsers)
UE - Platform - Mobile - Mar 20, 2017First person template project is struggling to run on Firefox 32-bit Version 52.0.1 and eventually throws an "uncaught exception: out of memory" error. Occurs in both BP and C++ projects. May be a ...