Unreal Engine Issues
Unreal Engine Issues
Compiling on Mac fails if build path has spaces
UE - Platform - Apple - Jan 6, 2015UPDATE: We were able to get around this issue by renaming our external drives. The actual problem is that Mono's xbuild fails to build UnrealBuildTool QA REGRESSION: YesWORKING: 2386770BROKEN: 23 ...
Copy-pasting (in the details panel) an array of structs containing multiline text not coming back entirely correctly
UE - Editor - UI Systems - Slate - Dec 20, 2016This is the copy buffer (it contains multiline strings): ((SectionName_10_AD815C6B40E1AA91C8FB72B006CB648A="TeamScreen_Overview",TipHeader_8_0A891281438C7AD03199038A729ACC18="Heroes",TipBody_9_C20B ...
MakeArray wildcard node gives a compilation error when being used in a Blueprint Macro.
UE - Framework - Blueprint - Dec 19, 2024There is an error with the SmartMacroInterface, where you can't use an empty wildcard "Make Array" node. This error makes the blueprint not compile and the macro unusable. Disabling the bUseSimpleWi ...
Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor
UE - Graphics Features - May 29, 2025In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...
Mutable RemoveMesh node with data from DataTable
UE - Anim - Mutable - Jul 28, 2025Hi, We are trying to use Mutable plugin to avoid clipping using the RemoveMeshNode with data from DataTables. However we are having trouble with the most basic example of our idea. We have a Data ...
“Receives Decals” is not respected on Procedural Mesh Component
UE - Graphics Features - Oct 14, 2022(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...
Editor Crashes when placing a widget blueprint from one widget blueprint into another via the user created section
UE - Editor - UI Systems - Oct 8, 2014CHANGELIST: 4.5.0-2316912 CRASHREPORT: Did not produce an error report CALLSTACK: Did not produce an error report DESCRIPTION: Editor Crashes when placing a widget blueprint from one widget b ...
BP: DEBUG: Debug filter automatically switches to one of the instances of blueprint which doesn t let user debug other instances of blueprint
UE - Gameplay - Blueprint - Aug 5, 2014GameVersion Branch: UE4 Configuration: Main Version: 2242091 CommandLine:qagame -log Label: GUBP Node Shared_LabelPromotable built from changelist 2242091 DESCRIPTION: Debug filter automatically sw ...
Regression: Selected Virtual Production Roles are saved but not loaded from Saved/Config/WindowsEditor/UserVPRoles.ini, unless file DefaultUserVPRoles.ini exists (even if completely empty)
UE - Virtual Production - Tools - Mar 7, 2025When the "Virtual Production Utilities" plugin is enabled, the Editor makes available a list of "Virtual Production Roles", which can be created and individually selected in a "VP Roles" dropdown on ...
[CrashReport] UE4Editor_Engine!FTexturePlatformData::GetNumNonStreamingMips() [texturederiveddata.cpp:1260]
UE - Graphics Features - Apr 10, 2017Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Mips.Num() > 0 [Link Remov ...