Epic Developer Community Forums

Topic	Replies	Views	Activity
BP loses its parent C++ class after re-opening the editor. Blueprint Blueprint , question , unreal-engine , parent-class	9	504	February 16, 2026
S. Krezel - Dynamic Tree & Plant Generator Product Discussion fab	208	1692	April 27, 2025
[CRITICAL] Voice Chat Becomes Unusable in Large Matches (Again) Issues and Bug Reporting bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	12	172	April 2, 2026
Need help with Unknown Cook Failure [UE4.27] Platform & Builds question , unreal-engine	12	247	October 20, 2025
Unreal engine keeps freezing Programming & Scripting question , bug-report , freeze , error , unreal-engine	14	424	June 27, 2025
Network physics component - how to do for complex systems with constraints? Programming & Scripting unreal-engine	10	507	November 23, 2025
How do you get the names of all currently loaded streaming levels? In blueprints. Blueprint question , unreal-engine	12	245	May 9, 2025
Substance 3D for Unreal Engine download impossible Pipeline & Plugins Installation , unreal-engine , plugin	12	436	January 31, 2026
Textures not loading until opened Rendering question , unreal-engine , Epic-Pro-Support	12	437	January 12, 2026
Instanced Skeletal Mesh & Animation Bank Example? Character & Animation question , unreal-engine , Epic-Pro-Support	11	457	August 14, 2025
Garbage collection slow on the server with world partitioning Programming & Scripting question , unreal-engine , Epic-Pro-Support	21	319	October 1, 2025
HeyYo CG - Ultra Afterimage VFX Product Discussion fab	11	526	November 5, 2025
GPU Lightmass fails to work with stationary lights since Unreal 5.5 Rendering question , unreal-engine , Epic-Pro-Support	15	446	June 8, 2025
Spawning Barrel on Barrel Spawn with max of 5 Programming & Scripting Blueprint , question , unreal-engine	18	193	September 26, 2025
editor crashing on startup after 38.00 update Issues and Bug Reporting name , closed , id , slug	15	381	February 11, 2026
C++ Classes / Components disappearing in blueprints whenever I restart C++ Blueprint , CPP , unreal-engine	21	321	June 8, 2025
I NEED HELP Unreal 5.6 PS5 platform Platform & Builds unreal-engine	25	327	February 23, 2026
Hello / Hola Need programmer verse (help) Programming & Scripting question , fortnite , unreal-editor-for-fortnite , fortnite-creative	20	357	November 7, 2025
why different PC's reality capture's align image results are different? Feedback & Requests question , realityscan	18	355	April 24, 2025
Sponsored Row is Live in Discover! Announcements fortnite , unreal-editor-for-fortnite , fortnite-creative	14	470	January 6, 2026
Help Desperately - dragging/ pulling in the third person Blueprint question , unreal-engine	14	226	August 31, 2025
When should landscapes be used? Rendering question , unreal-engine	23	363	July 6, 2025
Trying to Line Trace a projectile from the muzzle of my gun to my center reticle Blueprint unreal-engine	18	335	June 16, 2025
Can't launch C++ Windows project on Mac Getting Started & Setup unreal-engine	16	383	April 19, 2025
Maps stops awarding xp for no reason, and they dont calibrate anymore Issues and Bug Reporting bug-report , open , fortnite , unreal-editor-for-fortnite , fortnite-creative	14	485	December 26, 2025
Extremely bad performance while dragging a simple box collision Programming & Scripting question , unreal-engine	20	331	July 8, 2025
Mutable: More Parameter Character & Animation question , unreal-engine , Epic-Pro-Support	16	380	March 23, 2026
Top Down Line Trace Programming & Scripting question , unreal-engine	16	367	July 8, 2025
Trees are very bright if Visible in Ray Tracing is turned off Rendering question , unreal-engine	16	377	June 15, 2025
Major Issue - Cannot launch session anymore Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	17	355	October 23, 2025
Uniblocks - modular buildings constructor Product Discussion building , modular , fab	16	681	January 20, 2026
Current state of ClusteredDeferred shading and OnePassProjection for VSMs Rendering question , unreal-engine , Epic-Pro-Support	13	393	May 26, 2025
Ship Simulation In Ocean World Creation unreal-engine , Water , ocean	10	448	September 8, 2025
Merging images with lasers scans taking a long time Asset Creation realityscan	35	282	October 2, 2025
MAJOR BUG - Pushing changes from the editor or verse breaks left click input in game! Issues and Bug Reporting bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	18	421	January 16, 2026
UBA fails compiling modules with "Exited with error code -1" Pipeline & Plugins question , unreal-engine , Epic-Pro-Support	18	339	September 24, 2025
Third Person Flight Roll Blueprint Blueprint , question , unreal-engine , charactermovementcom , mouse-movement	16	414	August 5, 2025
Setting view distance to medium or low causes my modular character to break apart Character & Animation unreal-engine	22	342	February 20, 2026
Write to niagara data channel material? FX question , unreal-engine	10	454	April 17, 2025
How do i make basic lambert style shading? Rendering question , unreal-engine	9	469	October 30, 2025
Need help with project crashing at startup Programming & Scripting question , unreal-engine	15	206	May 21, 2025
Some Items are not validating in the item placer device Issues and Bug Reporting bug-report , open , fortnite , unreal-editor-for-fortnite , fortnite-creative	19	409	April 1, 2026
Set Boolean from notify event not working Blueprint Blueprint , question , unreal-engine	26	293	August 26, 2025
((errors.com.epicgames.common.processing Issues and Bug Reporting bug-report , unreal-engine , open , fortnite , fortnite-creative	10	489	April 4, 2026
[CRITICAL] Tycoon Unjoinable “Network Connection Lost” After 15min – Matchmaking Still Sends Players Issues and Bug Reporting open , fortnite , unreal-editor-for-fortnite , fortnite-creative	17	502	December 14, 2025
Verse API Issue: SetMesh() for CreativeProp(BP) cannot use any Mesh other than those hard-coded in Verse. Issues and Bug Reporting bug-report , fortnite , unreal-editor-for-fortnite , fixed	17	400	December 6, 2025
Something is game breaking wrong with popup devices. Published game doesnt not work Issues and Bug Reporting name , closed , id , slug	16	387	March 7, 2026
Images layers not working with new reality scan 2.0 Feedback & Requests question , realityscan	18	356	August 10, 2025
Transform Gizmo Keeps Disappearing in Editor Issues and Bug Reporting fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	10	446	March 14, 2026
Rotate Camera with Mouse Movement Blueprint question , unreal-engine	13	376	July 18, 2025