"Multiplayer game crash on stand alone"

Development Programming & Scripting Blueprint
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1

Hi there,

I try to make my first multiplayer game with the next tutorial:


I almost finished it, but when i play the stand alone" game the window starts up and crashes. Someone help! See bug report:

MachineId:F533509947F400A4CD4A829A3D7A8216
EpicAccountId:1bf8959b164047d498d39ccafe478f9c

Unknown exception - code 00000001 (first/second chance not available)

"Assertion failed: Class [File:d:\buildfarm\buildmachine_++depot+ue4-releases+4

UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\misc\outputdevice.cpp:374]
UE4Editor_Engine!NewObject() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\public\uobject\uobjectglobals.h:1130]
UE4Editor_Engine!UGameEngine::Init() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\gameengine.cpp:465]
UE4Editor!FEngineLoop::Init() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2094]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:136]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

2

Hello ,

I have a few questions for you that will help narrow down what issue it is that you are experiencing.

Quick questions:

  1. Can you reproduce this issue in clean project?
  2. Could you provide a detailed list of steps (condensed down to only what’s needed) to reproduce this issue on our end?
  3. Could you provide screen shots of any of your blueprints that may be involved with this issue?
3

Hey Rudy,

Thank you for youre reply. I just solved the problem myselves. I forgot to fill in the game instance class in the project settings. Now everything works fine!

Regards Erik