File “/opt/rockstor/src/rockstor/smart_manager/views/docker_service.py”, line 48, in _validate_root
File “/opt/rockstor/eggs/Django-1.8.16-py2.7.egg/django/db/models/manager.py”, line 127, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File “/opt/rockstor/eggs/Django-1.8.16-py2.7.egg/django/db/models/query.py”, line 334, in get
DoesNotExist: Share matching query does not exist.
I unfortunately cannot be of much help without more information on how you encountered that error, but as it happens, we just had a resolved thread about that same error message so I would like to point you to it: