Platform & Builds

Topic	Replies	Views	Activity
Turnkey returned error code 1 - Unreal Engine 5.6.1 source code. Debugging, Optimization, & Profiling unreal-engine , Engine-Source-Code	3	144	February 3, 2026
Building HLOD meshes from command line (not for WP)? Platform & Builds question , console-commands , unreal-engine , command-line	0	17	February 3, 2026
Error when launching Engine. XR Development question , unreal-engine	19	5906	February 3, 2026
Rewind debug capabilities Platform & Builds question , unreal-engine , Epic-Pro-Support	1	3	February 3, 2026
[PICO][OpenxR] [PR] Add XR_BD_controller_interaction and XR_BD_ultra_controller_interaction Extension Plugin Platform & Builds question , unreal-engine , Epic-Pro-Support	7	12	February 2, 2026
Support for iOS Target Extensions in Unreal Engine XR Development question , unreal-engine , Epic-Pro-Support	1	1	February 2, 2026
Backend dependency returned unexpected error errors.com.epicgames.not_found Platform & Builds question , editor , bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative	12	1463	February 2, 2026
Lumen SWRT : GlobalDistanceField.PageObjectGridBuffer and other related buffer get duplicated when loading another level (Level has to have a different Lumen Scene View Distance) Platform & Builds question , unreal-engine , Epic-Pro-Support	3	1	February 2, 2026
Intermittent black screen when running packaged shipping build (Windows) Platform & Builds question , unreal-engine	0	27	February 2, 2026
Problem with UE5.4 export Platform & Builds question , editor , unreal-engine	1	53	February 2, 2026
How do I get my AI to shoot? Debugging, Optimization, & Profiling question , unreal-engine	1	28	February 2, 2026
Cant build my game anymore. I think it has to do something with the UnrealDrive plugin. Platform & Builds question , unreal-engine	1	17	February 1, 2026
Cook Error (ensure condition) Platform & Builds question , error , unreal-engine , Cooking , Packaging , load-error	3	1214	February 1, 2026
How do I set a FPS limit on a packaged game? Platform & Builds question , packaging-projects , fps , Frame-Rate , unreal-engine	9	15511	February 1, 2026
Google Play compatibility issue: "Does not support framework version: 34 and above" (UE 5.4 & 5.7) Mobile Android , question , version , unreal-engine , Google-Play , SDK , SDKs	0	18	February 1, 2026
System.ArgumentException: Path fragment '"Content/\351\237\263\351\242\221/Cheetah\302\240Mobile_Games_-_\...\265.uasset"' contains invalid directory separators Mobile question , editor , CPP , UE4 , unreal-engine	16	5633	February 1, 2026
Is there any optimization sense in Instanced Static Mesh with nanite? Debugging, Optimization, & Profiling Nanite , question , Optimization , Instanced-Mesh , unreal-engine	14	51	January 31, 2026
UE5.6 crashes immediately on startup Platform & Builds question , crash , unreal-engine , UE5	32	10516	January 31, 2026
Unreal Engine 5, Android game Failed to open descriptor file Debugging, Optimization, & Profiling Android , question , packaging-projects , unreal-engine , Packaging , UE5-0	14	8183	January 31, 2026
unreal keep crashing my whole pc Debugging, Optimization, & Profiling question , crash , bug-report , unreal-engine	1	38	January 31, 2026
UE4.27 和 5.0 版本在使用 HtcVive VR 设备调试模式运行一次后卡顿（极其），系统 win10x64, 64G内存 ,RTX3070Ti显卡 XR Development VR , question , unreal-engine	3	690	January 31, 2026
How to update steam achievement progress? Platform & Builds question , Steam , unreal-engine , steamworks	7	4290	January 30, 2026
XCode26 does not build engine properly XR Development question , unreal-engine , Epic-Pro-Support	3	3	January 30, 2026
Unreal support for new Target API requirements on Android Mobile question , unreal-engine , Epic-Pro-Support	4	5	January 30, 2026
Projects across multiple computers Platform & Builds question , unreal-engine	1	46	January 30, 2026
StateTree Performance vs BehaviorTree Platform & Builds question , unreal-engine , Epic-Pro-Support	6	3	February 9, 2026
How to solve packaging errors Platform & Builds question , unreal-engine	1	98	January 30, 2026
UE 5.7.1 (GitHub source): Android Vulkan crash [VK_ERROR_FEATURE_NOT_PRESENT] Mobile question , unreal-engine	2	118	January 29, 2026
UE 5.7 Build process is messed up Platform & Builds unreal-engine	3	147	January 29, 2026
GShaderHashCache crash on startup in cooked development build, Windows x64 Platform & Builds question , CPP , crash , build , unreal-engine , development , cooked	0	17	January 29, 2026