I am having the following problem. Can you show me how to solve it? Thank you.
[ERROR 2021-11-06 21:31:34,893] module: log, process: 517427, thread: 140325495674752
Internal Server Error: /radius/saml2/login/
Traceback (most recent call last):
File "/opt/openwisp2/env/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/opt/openwisp2/env/lib/python3.8/site-packages/django/core/handlers/base.py", line 181, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/opt/openwisp2/env/lib/python3.8/site-packages/django/views/generic/base.py", line 70, in view
return self.dispatch(request, *args, **kwargs)
File "/opt/openwisp2/env/lib/python3.8/site-packages/django/views/generic/base.py", line 98, in dispatch
return handler(request, *args, **kwargs)
File "/opt/openwisp-radius/openwisp_radius/saml/views.py", line 115, in get
return super().get(request, *args, **kwargs)
File "/opt/openwisp2/env/lib/python3.8/site-packages/djangosaml2/views.py", line 217, in get
configured_idps = available_idps(conf)
File "/opt/openwisp2/env/lib/python3.8/site-packages/djangosaml2/utils.py", line 43, in available_idps
for metadata_name, metadata in config.metadata.metadata.items():
AttributeError: 'NoneType' object has no attribute 'metadata'