Awkward

I'm sorry, but an uncaught exception occurred.

While running game code:
  File "C:/Users/James/scenarios/4.2/awkward_extension/story/awkward_extension.rpy", line 178, in script
    $ GirlMind += 1
  File "C:/Users/James/scenarios/4.2/awkward_extension/story/awkward_extension.rpy", line 178, in <module>
    $ GirlMind += 1
NameError: name 'GirlMind' is not defined

-- Full Traceback ------------------------------------------------------------

Full traceback:
  File "C:/Users/James/scenarios/4.2/awkward_extension/story/awkward_extension.rpy", line 178, in script
    $ GirlMind += 1
  File "E:\Personal Shit\Misc Games\StudentTransfer-4.2-pc\renpy\ast.py", line 896, in execute
    renpy.python.py_exec_bytecode(self.code.bytecode, self.hide, store=self.store)
  File "E:\Personal Shit\Misc Games\StudentTransfer-4.2-pc\renpy\python.py", line 1929, in py_exec_bytecode
    exec bytecode in globals, locals
  File "C:/Users/James/scenarios/4.2/awkward_extension/story/awkward_extension.rpy", line 178, in <module>
    $ GirlMind += 1
NameError: name 'GirlMind' is not defined

Windows-8-6.2.9200
Ren'Py 7.2.1.457
Student Transfer 4.2
Fri Mar 22 21:34:02 2019