Mod_python error: "PythonHandler trac.web.modpython_frontend"

Traceback (most recent call last):

  File "/usr/lib/python2.5/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/local/lib/python2.5/site-packages/trac/web/modpython_frontend.py", line 87, in handler
    gateway.run(dispatch_request)

  File "/usr/local/lib/python2.5/site-packages/trac/web/wsgi.py", line 87, in run
    response = application(self.environ, self._start_response)

  File "/usr/local/lib/python2.5/site-packages/trac/web/main.py", line 391, in dispatch_request
    env = _open_environment(env_path, run_once=run_once)

  File "/usr/local/lib/python2.5/site-packages/trac/web/main.py", line 58, in _open_environment
    env_cache[env_path] = open_environment(env_path)

  File "/usr/local/lib/python2.5/site-packages/trac/env.py", line 462, in open_environment
    env = Environment(env_path)

  File "/usr/local/lib/python2.5/site-packages/trac/env.py", line 147, in __init__
    self.verify()

  File "/usr/local/lib/python2.5/site-packages/trac/env.py", line 195, in verify
    fd = open(os.path.join(self.path, 'VERSION'), 'r')

IOError: [Errno 2] No such file or directory: '/var/trac/theamazon/VERSION'