Ctrl-C Exception on GroupServer 14.03a

^C2014-03-10 16:51:17 INFO SignalHandler Caught signal SIGINT
2014-03-10 16:51:17 INFO Z2 Shutting down
Traceback (most recent call last):
  File "/home/gs/Development/OGN/GroupServer/stage2/parts/instance/bin/interpreter", line 331, in <module>
    execfile(__file__)
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/Zope2-2.13.21-py2.7.egg/Zope2/Startup/run.py", line 76, in <module>
    run()
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/Zope2-2.13.21-py2.7.egg/Zope2/Startup/run.py", line 26, in run
    starter.run()
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/Zope2-2.13.21-py2.7.egg/Zope2/Startup/__init__.py", line 108, in run
    self.shutdown()
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/Zope2-2.13.21-py2.7.egg/Zope2/Startup/__init__.py", line 113, in shutdown
    db.close()
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg/ZODB/DB.py", line 624, in close
    @self._connectionMap
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg/ZODB/DB.py", line 506, in _connectionMap
    self.pool.map(f)
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg/ZODB/DB.py", line 206, in map
    self.all.map(f)
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/transaction-1.1.1-py2.7.egg/transaction/weakset.py", line 58, in map
    f(elt)
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg/ZODB/DB.py", line 628, in _
    c._release_resources()
  File "/home/gs/Development/OGN/GroupServer/stage2/eggs/ZODB3-3.10.5-py2.7-linux-x86_64.egg/ZODB/Connection.py", line 1075, in _release_resources
    c._storage.release()
AttributeError: 'NoneType' object has no attribute 'release'