Unreal Engine Issues
Unreal Engine Issues
Editor hang calling UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence
UE - Anim - Sequencer - MRQ - May 14, 2025Within UMoviePipelineBlueprintLibrary::UpdateJobShotListFromSequence we are experiencing an editor freeze when launching an MRQ render of sequences where a camera is unable to find a valid possessab ...
Level editor viewports crash when deleting actors after a layout change
UE - Editor - Workflow Systems - Apr 18, 2022Reported by a customer while testing USD import. See additional URL ...
Duplicated bp components incorrectly double their transforms when created
UE - Gameplay - Blueprint - Jan 4, 2017Add a light to a blueprint Move it away from the origin Right click on the component and duplicate it Notice that the new light is now a child of the previous light and that its transform is now in ...
Weird grey bar renders on disabled planar reflections
UE - Graphics Features - Jul 11, 2017NOTE This is best seen if you are in a mobile Preview Rendering Level There is some rendering defect that can be seen as the camera moves around the Planar Reflection area. You can also see some ...
Typing "Print S" in Blueprint Graph Context Menu returns wrong result
UE - Gameplay - Blueprint Editor - Jul 17, 2017Typing "Print S" in Blueprint Graph Context Menu returns a result that does not contain the letters "Print S" this issue persists is you add another s after (Print ss). The search should display som ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()
UE - Graphics Features - Aug 10, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SEGV_MAPERR at 0x3 Most recent us ...
Render state for InstanceStaticMesh doesn't recreate after modification of instances list with RemoveInstance
UE - Gameplay - Blueprint - Sep 14, 2017When Remove Instance is called for an instance static mesh component, the render state is not properly updated, causing some of the instances to not be visible. Workaround: Forcing a call to PostEd ...
[CrashReport] Fatal error: Cast of nullptr to Object failed
UE - Gameplay - Oct 5, 2017This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...
Grid Size adjustment shortcuts don't functions in blueprints
UE - Gameplay - Blueprint - Oct 5, 2017When the shortcuts for "Grid Size(Position):Decrement/Increment" ( '[' and ']' by default) are used in the main viewport editor, the grid size for a blueprint's viewport are updated as well. Howe ...
Camera rotation stops at game border when using Begin play node
Tools - Jan 8, 2018There is an issue where Camera rotation stops at game window border when using Begin play node with the mouse. This issue does not happen if you don't use the begin play node with the Set show mouse ...