MCDungeon cmd Error

Traceback (most recent call last):
  File "mcdungeon\mcdungeon.py", line 2177, in <module>
  File "mcdungeon\mcdungeon.py", line 2124, in main
  File "mcdungeon\dungeon.py", line 314, in generate
  File "mcdungeon\dungeon.py", line 1817, in renderrooms
  File "mcdungeon\pmeter.py", line 131, in update_left
  File "mcdungeon\pmeter.py", line 143, in update
  File "mcdungeon\pmeter.py", line 121, in _rawupdate
IOError: [Errno 0] Error



Tried to mark all with ctrl+A and it closed... Sorry