Please see the pinned post: About the Vermintide 2 - Technical Support Category to see what information to include in your report.
GUID: 00438b00-9d68-4337-8b38-6c9303a33743
Log File:
Info Type:
[Script Error]: scripts/managers/network/game_network_manager.lua:1171: => index -1013973184 is less than minimal index value 0
stack underflow in this lua file, looks like line 1171 of the code.
was in the middle of a game (citadel of eternity) when crash happened