#37 Application crashes periodically.

[Rob]

Application crashes periodically. Something like 3 times in 20 sessions.
The following stacktrace is written to the log file:
Traceback (most recent call last):
File "brainworkshop.pyw", line 4649, in <module>
File "pyglet\app__init__.pyc", line 264, in run
File "pyglet\app\win32.pyc", line 63, in run
File "pyglet\app\win32.pyc", line 84, in _timer_func
File "pyglet\app__init__.pyc", line 187, in idle
File "pyglet\clock.pyc", line 700, in tick
File "pyglet\clock.pyc", line 303, in tick
File "pyglet\media__init__.pyc", line 939, in dispatch_events
File "pyglet\media__init__.pyc", line 911, in _on_eos
File "pyglet\media__init__.pyc", line 1246, in stop
ValueError: list.remove(x): x not in list</module>