I'm sorry, but an uncaught exception occurred.
While running game code:
File "game/gui.rpy", line 59, in <module>
File "renpy/common/00gui.rpy", line 164, in preference
TypeError: argument of type 'NoneType' is not iterable
-- Full Traceback ------------------------------------------------------------
Full traceback:
File "gui.rpyc", line 59, in script
File "renpy/ast.py", line 2219, in execute
File "renpy/ast.py", line 2233, in set
File "renpy/python.py", line 1202, in py_eval_bytecode
File "game/gui.rpy", line 59, in <module>
File "renpy/common/00gui.rpy", line 164, in preference
TypeError: argument of type 'NoneType' is not iterable