The function crashes when working in a networked context. This is the call stack: Assertion failed: IsInGameThread() [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\NetDriver.cpp] [Line: 7444] Attempted to call ProcessRemoteFunction from a thread other than the game thread, which is n…

[image] Crash when using Multiplayer in Unreal Engine Bugs Yes, we have released a fix for this.

I see that this is fixed in 3.6.7. I wasn’t aware there’s a newer version because what’s on Fab/Marketplace is 3.6.0.

Crash in UConvaiChatbotComponent::onResponseDataReceived when replicated

K3 September 30, 2025, 10:58am 3

1 Like

Topic		Replies	Views
Crash when using Multiplayer in Unreal Engine Bugs unreal-engine	5	127	September 16, 2025
Fatal error - Runnable thread gRPC_Stub crashed Bugs bug , unreal-engine	6	171	February 4, 2025
I have crash error when implementing multiplayer Questions unreal-engine	20	111	November 25, 2024
GRPC crash - any updates? Questions unreal-engine	2	49	June 4, 2025
Critical crash caused by gRPC thread – "Pure virtual function being called Bugs bug , unreal-engine	2	55	December 7, 2025