500: Internal Server Error

Traceback

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/odoo/addons/http_routing/models/ir_http.py", line 545, in _postprocess_args
    _, path = rule.build(arguments)
  File "/usr/lib/python3/dist-packages/werkzeug/routing.py", line 975, in build
    return self._build_unknown(**values)
  File "<werkzeug routing>", line 1, in <builder:'/groups/<model(\'mail.channel\', "[(\'channel_type\', \'=\', \'channel\')]"):group>'>
  File "/usr/lib/python3/dist-packages/odoo/addons/http_routing/models/ir_http.py", line 259, in to_url
    return slug(value)
  File "/usr/lib/python3/dist-packages/odoo/addons/http_routing/models/ir_http.py", line 93, in slug
    raise ValueError("Cannot slug non-existent record %s" % value)
ValueError: Cannot slug non-existent record mail.channel()