sorry wrong forum. how do i delete posts?

I can´t join a multiplayer game by a friend of mine due to this problem https://imgur.com/gallery/08IFsrl

This is the only thing i coud find in the log-file but i dont know what it means:

97.583 Error ClientMultiplayerManager.cpp:1137: mod-Repair_Turret had the following event filters when the ...