Traceback (most recent call last):
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/admin/modules/serve.py", line 127, in serve_artifact
pad = li.get_pad()
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/admin/webui.py", line 23, in get_pad
return Database(self.env).new_pad()
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/db.py", line 880, in __init__
self.datamodels = load_datamodels(env)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/datamodel.py", line 583, in load_datamodels
get_model(model_id)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/datamodel.py", line 567, in get_model
return create_model(model_id)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/datamodel.py", line 579, in create_model
rv[model_id] = mod = datamodel_from_data(env, model_data, parent)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/datamodel.py", line 488, in datamodel_from_data
parent and parent.fields or None)
File "/Applications/Lektor.app/Contents/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lektor/datamodel.py", line 459, in fields_from_data
ty = env.types[options.get('type', 'string')]
KeyError: u'datetime'