I'm sorry, but an uncaught exception occurred.
While running game code:
TypeError: object of type 'NoneType' has no len()
-- Full Traceback ------------------------------------------------------------
Full traceback:
  File "renpy/common/_layout/screen_load_save.rpym", line 35, in script
    $ ui.interact()
  File "renpy/ast.py", line 922, in execute
    renpy.python.py_exec_bytecode(self.code.bytecode, self.hide, store=self.store)
  File "renpy/python.py", line 2218, in py_exec_bytecode
    exec(bytecode, globals, locals)
  File "renpy/common/_layout/screen_load_save.rpym", line 35, in <module>
    $ ui.interact()
  File "renpy/ui.py", line 298, in interact
    rv = renpy.game.interface.interact(roll_forward=roll_forward, **kwargs)
  File "renpy/display/core.py", line 3276, in interact
    repeat, rv = self.interact_core(preloads=preloads, trans_pause=trans_pause, pause=pause, pause_start=pause_start, **kwargs)
  File "renpy/display/core.py", line 3694, in interact_core
    renpy.display.behavior.input_post_per_interact()
  File "renpy/display/behavior.py", line 1129, in input_post_per_interact
    i.update_text(content, editable)
  File "renpy/display/behavior.py", line 1264, in update_text
    set_content(new_content)
  File "renpy/display/behavior.py", line 1258, in set_content
    l = len(content)
TypeError: object of type 'NoneType' has no len()
Windows-10-10.0.19041
Ren'Py 7.4.6.1693
Desert Stalker 0.06b
Mon Aug 30 09:53:22 2021