Unable to see Users managing page : Internal Error (Invalid syntax..)

No, we use only local users.


2022-01-25 17:39:46,673 [40] [cmk.web 89239] https://XXX.XXX.XXX.XXX/monitoring/check_mk/wato.py/monitoring/check_mk/wato.py?mode=users Unhandled exception (Crash-ID: 68000074-7dfd-11ec-8960-000c29e52fe4)
Traceback (most recent call last):
  File "/omd/sites/monitoring/lib/python3/cmk/gui/wsgi/applications/checkmk.py", line 165, in _process_request
    response = page_handler()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/wsgi/applications/utils.py", line 59, in _call_auth
    func()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/pages.py", line 186, in <lambda>
    return (lambda hc: lambda: hc().handle_page())(handle_class)
  File "/omd/sites/monitoring/lib/python3/cmk/gui/pages.py", line 48, in handle_page
    self.page()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/pages.py", line 158, in <lambda>
    "page": lambda self: self._wrapped_callable[0]()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/wato/page_handler.py", line 92, in page_handler
    _wato_page_handler(current_mode, mode_permissions, mode_class)
  File "/omd/sites/monitoring/lib/python3/cmk/gui/wato/page_handler.py", line 101, in _wato_page_handler
    mode = mode_class()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/wato/pages/users.py", line 95, in __init__
    self._job_snapshot = userdb.UserSyncBackgroundJob().get_status_snapshot()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/gui_background_job.py", line 210, in get_status_snapshot
    return GUIBackgroundStatusSnapshot(self)
  File "/omd/sites/monitoring/lib/python3/cmk/gui/gui_background_job.py", line 250, in __init__
    self._job_status = job.get_status()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/background_job.py", line 430, in get_status
    status = self._jobstatus.get_status_from_file()
  File "/omd/sites/monitoring/lib/python3/cmk/gui/background_job.py", line 558, in get_status_from_file
    data = store.load_object_from_file(str(self._jobstatus_path), default={}, lock=True)
  File "/omd/sites/monitoring/lib/python3/cmk/utils/store.py", line 204, in load_object_from_file
    return ast.literal_eval(content)
  File "/omd/sites/monitoring/lib/python3.8/ast.py", line 59, in literal_eval
    node_or_string = parse(node_or_string, mode='eval')
  File "/omd/sites/monitoring/lib/python3.8/ast.py", line 47, in parse
    return compile(source, filename, mode, flags,
  File "<unknown>", line 1
    <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    ^
SyntaxError: invalid syntax