I played quite some time without problem and now get this Error whenever I go near Biters:
The mod RPG Items caused a non-recoverable error.
Please report this error to the mod author.
Error while running event rpg_items::on_nth_tick(21600) rpg_items/rpg_framework.lua:779: attempt to perform arithmetic on field 'chardamage_mult' (a nil value)
stack traceback: rpg_items/rpg_framework.lua:779: in function 'add_modifier' rpg_items/rpg_framework.lua:628: in function <rpg_items/rpg_framework.lua:613>