Mod_python error: "PythonHandler django.core.handlers.modpython"

Traceback (most recent call last):

  File "/usr/local/lib/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/home2/zeia/lib/python2.4/django/core/handlers/modpython.py", line 163, in handler
    return ModPythonHandler()(req)

  File "/home2/zeia/lib/python2.4/django/core/handlers/modpython.py", line 125, in __call__
    if settings.ENABLE_PSYCO:

  File "/home2/zeia/lib/python2.4/django/conf/__init__.py", line 27, in __getattr__
    self._import_settings()

  File "/home2/zeia/lib/python2.4/django/conf/__init__.py", line 54, in _import_settings
    self._target = Settings(settings_module)

  File "/home2/zeia/lib/python2.4/django/conf/__init__.py", line 82, in __init__
    raise EnvironmentError, "Could not import settings '%s' (Is it on sys.path? Does it have syntax errors?): %s" % (self.SETTINGS_MODULE, e)

EnvironmentError: Could not import settings 'greenmachine.site.zeia_net.settings' (Is it on sys.path? Does it have syntax errors?): No module named zeia_net.settings