The mod RPG Items (0.21.13) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event m-rpg_items::on_gui_click (ID 1)
m-rpg_items/rpg_framework.lua:853: attempt to index global 'global' (a nil value)
stack traceback:
m-rpg_items/rpg_framework.lua:853: in function 'remove_modifier'
m-rpg_items/rpg_framework.lua:962: in function 'remove_modifiers'
m-rpg_items/rpg_framework.lua:1087: in function 'update_items'
m-rpg_items/rpg_framework.lua:1249: in function 'buy_item'
m-rpg_items/rpg_framework.lua:61: in function <m-rpg_items/rpg_framework.lua:21>