Unreal Engine Issues
Unreal Engine Issues
Crash in FVulkanLinuxPlatform
UE - Platform - Linux - Apr 17, 2019Using the command in the repro steps on Linux will cause the Editor to crash and CrashReporter to pop up with a callstack. This behaves differently when tried on Windows with -vulkan. The project ...
Blueprint debugger: variable getter node displays wrong object's value
UE - Gameplay - Blueprint Runtime - Jul 28, 2023After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...
Base Pass Instruction Count increases on Compile and Save, then resets upon reopening Material
UE - Graphics Features - Aug 24, 2015Material Base Pass Instruction Count will change from a value established when plugging in components pre-compile to a higher value on post compile, but when the material is reopened the count rever ...
Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error
UE - Gameplay - Blueprint - Mar 5, 2015Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error. The error text includes links that open the level tab rather than locating ...
Match3 crashes on device after locking and unlocking the screen on iOS
Tools - Aug 23, 2016Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...
Access violation crash on startup after converting project
UE - Graphics Features - Jun 1, 2016Access violation crash on startup after converting project User Description: We were using 4.10.4, and are trying to upgrade to 4.11.2. The project will convert and open fine the very first try, b ...
FArchive broke operator<< for bool in Editor builds
UE - Foundation - Core - Feb 16, 2017Looks like CL-3215392 added changes in FArchive where the operator<< method for bool is a member operator in Editor (as opposed to a global operator in non-editor and old builds). This causes shado ...
[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()
UE - Graphics Features - Mar 6, 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: Access violation - code c0000005 ( ...
Pressing f11 while playing in editor new window fullscreens the viewport in the editor
Tools - Sep 25, 2015Pressing F11 (in attempts to fullscreen) while playing in editor - new window causes the viewport in the editor itself to full screen as opposed to the new window that's created. expectation is 1 o ...
Undoing pasting a component will crash ([CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::IsValid() [weakobjectptr.cpp:48])
UE - Gameplay - Components - Jul 20, 2017This is a common crash affecting users in 4.16. The callstack is similar to [Link Removed], which was fixed in 4.13. User DescriptionsAccidentally duplicated a blueprint with multiple static mesh ...