What do the following errors in web_service.log mean?
web_service.log:2018-04-27 22:47:53,810 ERROR [5ae3a899c77f46d4d03c90] config:138 - [HTTP 401] Client is not authenticated
web_service.log:2018-04-27 22:48:25,625 ERROR [5ae3a8b8db7f46d44ad590] admin:421 - Failed to fetch DMC settings to verify status
web_service.log:2018-04-27 22:48:25,625 ERROR [5ae3a8b8db7f46d44ad590] admin:422 - [HTTP 404] https://127.0.0.1:8089/services/dmc-conf/settings/settings; [{'text': 'Not Found', 'code': None, 'type': 'ERROR'}]
web_service.log:ResourceNotFound: [HTTP 404] https://127.0.0.1:8089/services/dmc-conf/settings/settings; [{'text': 'Not Found', 'code': None, 'type': 'ERROR'}]
web_service.log:2018-04-27 22:49:10,237 ERROR [5ae3a8e6357fbbe4346890] config:138 - [HTTP 401] Client is not authenticated
web_service.log:2018-04-27 22:49:13,309 ERROR [5ae3a8e8847fbbe4346a10] admin:421 - Failed to fetch DMC settings to verify status
web_service.log:2018-04-27 22:49:13,310 ERROR [5ae3a8e8847fbbe4346a10] admin:422 - [HTTP 404] https://127.0.0.1:8089/services/dmc-conf/settings/settings; [{'type': 'ERROR', 'code': None, 'text': 'Not Found'}]
web_service.log:ResourceNotFound: [HTTP 404] https://127.0.0.1:8089/services/dmc-conf/settings/settings; [{'type': 'ERROR', 'code': None, 'text': 'Not Found'}]
