Topics tagged session

Topic	Replies	Views	Activity
The scene graph has stopped working, and sessions fail to launch with the latest scene graph changes; a "push changes" message appears in every session. Issues and Bug Reporting editor , session , open , fortnite , unreal-editor-for-fortnite	4	139	September 21, 2026
UEFN cook_failure since latest update Issues and Bug Reporting unreal-engine , session , launch-failed , fortnite	0	28	September 9, 2026
Host players are getting disconnected from their own matches Programming & Scripting Blueprint , crash , Networking , unreal-engine , session	1	76	April 13, 2026
Fortnite crashes on session start and in private island code for a specific project only Issues and Bug Reporting crash , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	3	174	March 31, 2026
[CRITICAL] Launching Session Error – “At least 1 module failed remote validation" Issues and Bug Reporting bug-report , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , UEFN , fixed	11	281	March 26, 2026
Steam friend list has not presence state in build game Programming & Scripting Blueprint , question , unreal-engine , session	16	1052	February 25, 2026
Session Disconnected on Launch Issues and Bug Reporting session , launcher-error , fortnite , unreal-editor-for-fortnite , fortnite-creative	11	281	February 23, 2026
Session Does Not Start after v39.00 for a specific project Issues and Bug Reporting session , fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed	3	177	February 2, 2026
Erreurs de Cook lors du démarrage de la session dans UEFN ? Issues and Bug Reporting question , editor , crash , bug-report , unreal-engine , cook , session , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	83	September 10, 2025
Fortnite crashes when launching UEFN session Issues and Bug Reporting editor , crash , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , UEFN	8	635	August 28, 2025
Distance Fields don't work correctly in live session Issues and Bug Reporting editor , Water , session , fortnite , unreal-editor-for-fortnite	0	93	August 22, 2025
Can't find session [Advanced Steam Session] Platform & Builds question , Steam , Multiplayer , Plugins , Server , unreal-engine , session	16	5389	July 9, 2025
Cant launch Session Programming & Scripting question , unreal-engine , session , problems , unreal-editor-for-fortnite	0	32	June 14, 2025
Error while cooking this content problem. Programming & Scripting question , unreal-engine , session , Cooking-Failed , UEFN	2	117	June 10, 2025
How to correctly start a session Programming & Scripting question , CPP , unreal-engine , session	0	82	June 1, 2025
error when launching session Issues and Bug Reporting editor , bug-report , session , Cooking-Failed , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed	3	263	May 15, 2025
Easy OSS - blueprint online subsystems integration International Steam , dedicated-server , unreal-engine , lobby , stats , session , leaderboard , voice-chat , online-subsystem , achievements , epic-games-store , fab , epic-online-services , EOS	1	413	March 30, 2025
OnlineSession vs GameSession C++ question , Networking , unreal-engine , session , onlinesubsystem	4	258	January 28, 2025
Can only get into session 50% of the time Issues and Bug Reporting session , joining-session , fortnite , unreal-editor-for-fortnite , fortnite-creative	30	715	December 20, 2024
Instant disconnection from session + Unable to run memory calculation Issues and Bug Reporting memory , session , fortnite , unreal-editor-for-fortnite , fortnite-creative	2	132	December 18, 2024
EOS-services: no player in found ISession after calling ISessions::FindSessions, but it exists Multiplayer & Networking online , unreal-engine , session	2	168	December 9, 2024
CreateModuleVersions failed / Can't open live edit session Issues and Bug Reporting module , session , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	48	November 26, 2024
[Online Subsystem Steam]Crash when the host calls DestroySession. C++ question , CPP , Steam , unreal-engine , session , onlinesubsystem , online-session	0	206	November 23, 2024
Unable to Launch Live Edit Session - Connection to the server failed Issues and Bug Reporting bug-report , session , fortnite , unreal-editor-for-fortnite , fortnite-creative	10	353	November 22, 2024
Class Selector Does not function as intended. Publishing Private / Public = broken devices , not broken in the editor. LOGS BELOW... Issues and Bug Reporting editor , bug-report , bug , issue , device , publish , session , fortnite , unreal-editor-for-fortnite , fortnite-creative	5	954	November 10, 2024
Steam SendInvite always fails C++ question , CPP , Steam , unreal-engine , session	3	889	October 22, 2024
[Steam] Unable to create listen-server session in packaged build Platform & Builds question , unreal-engine , session , listen-server , steamworks	14	3604	October 9, 2024
The system to find for a session, if it does not find one, create a new session Blueprint Blueprint , question , online , unreal-engine , session , onlinesubsystem , sessions	3	1243	October 9, 2024
EOS: Best way to handle "abandoned" sessions? Multiplayer & Networking question , Multiplayer , unreal-engine , session	3	1119	August 21, 2024
How do I accept invite through steam using advanced session? Platform & Builds question , Steam , Networking , unreal-engine , session	2	1167	August 15, 2024

The scene graph has stopped working, and sessions fail to launch with the latest scene graph changes; a "push changes" message appears in every session.

Issues and Bug Reporting

4

139

September 21, 2026

UEFN cook_failure since latest update

Issues and Bug Reporting

unreal-engine , session , launch-failed , fortnite

0

28

September 9, 2026

Host players are getting disconnected from their own matches

Programming & Scripting

Blueprint , crash , Networking , unreal-engine , session

1

76

April 13, 2026

Fortnite crashes on session start and in private island code for a specific project only

Issues and Bug Reporting

crash , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed

3

174

March 31, 2026

[CRITICAL] Launching Session Error – “At least 1 module failed remote validation"

Issues and Bug Reporting

bug-report , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , UEFN , fixed

11

281

March 26, 2026

Steam friend list has not presence state in build game

Programming & Scripting

Blueprint , question , unreal-engine , session

16

1052

February 25, 2026

Session Disconnected on Launch

Issues and Bug Reporting

session , launcher-error , fortnite , unreal-editor-for-fortnite , fortnite-creative

11

281

February 23, 2026

Session Does Not Start after v39.00 for a specific project

Issues and Bug Reporting

session , fortnite , unreal-editor-for-fortnite , fortnite-creative , fixed

3

177

February 2, 2026

Erreurs de Cook lors du démarrage de la session dans UEFN ?

Issues and Bug Reporting

question , editor , crash , bug-report , unreal-engine , cook , session , fortnite , unreal-editor-for-fortnite , fortnite-creative

0

83

September 10, 2025

Fortnite crashes when launching UEFN session

Issues and Bug Reporting

editor , crash , session , fortnite , unreal-editor-for-fortnite , fortnite-creative , UEFN

8

635

August 28, 2025

Distance Fields don't work correctly in live session

Issues and Bug Reporting

editor , Water , session , fortnite , unreal-editor-for-fortnite

0

93

August 22, 2025

Can't find session [Advanced Steam Session]

Platform & Builds

question , Steam , Multiplayer , Plugins , Server , unreal-engine , session

16

5389

July 9, 2025

Cant launch Session

Programming & Scripting

question , unreal-engine , session , problems , unreal-editor-for-fortnite

0

32

June 14, 2025

Error while cooking this content problem.

Programming & Scripting

question , unreal-engine , session , Cooking-Failed , UEFN

2

117

June 10, 2025

How to correctly start a session

Programming & Scripting

question , CPP , unreal-engine , session

0

82

June 1, 2025

error when launching session

Issues and Bug Reporting

editor , bug-report , session , Cooking-Failed , fortnite , unreal-editor-for-fortnite , fortnite-creative , closed

3

263

May 15, 2025

Easy OSS - blueprint online subsystems integration

International

Steam , dedicated-server , unreal-engine , lobby , stats , session , leaderboard , voice-chat , online-subsystem , achievements , epic-games-store , fab , epic-online-services , EOS