Nagstamon crashes on Checkmk Multisite recheck

[moschlar]

Using Nagstamon 3.16.2 on Debian - clicking Recheck on a Service on a Checkmk Multisite generates this Stacktrace:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/Nagstamon/QUI/__init__.py", line 4320, in recheck
    self.server.set_recheck(info_dict)
  File "/usr/lib/python3/dist-packages/Nagstamon/Servers/Generic.py", line 413, in set_recheck
    self._set_recheck(info_dict['host'], info_dict['service'])
  File "/usr/lib/python3/dist-packages/Nagstamon/Servers/Multisite.py", line 609, in _omd_set_recheck
    csrf_token = self._get_csrf_token(host, service)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/Nagstamon/Servers/Multisite.py", line 653, in _get_csrf_token
    csrf_token = self.fetch_url(self.urls["transid"].replace("$HOST$", host).replace("$SERVICE$", service.replace(" ", "+")), "obj").result.find(attrs={"name": "csrf_token"})["value"]
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
TypeError: 'NoneType' object is not subscriptable

[HenriWahl]

Hi @moschlar - sorry for the late reply. This happens with context menu? I use Checkmk too but cant reproduce this.