When default loadout for conflict gamemode has backpack with items in it then game will throw null pointer exception when player tries to spawn with that loadout as can be seen on this video:
https://www.youtube.com/watch?v=8NOTUu6w_Xg
Part of the log file from game client when such loadout was used (in this case it was with RHS mod)
Temporary fix (tmp because issue is probably deeper) could be by just adding null check here:
To look like this: