For a not yet known reason, this code can have a value set to None. Need investigations.
Sentry Issue: NUXEO-DRIVE-V2
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
File "nxdrive\gui\application.py", line 479, in _doc_deleted
File "nxdrive\engine\engine.py", line 302, in delete_doc
Error rendering 'com.pagerduty.jira-server-plugin:PagerDuty'. Please contact your Jira administrators.