The okta api document for updating groups describes the update group endpoint uses the PUT method https://developer.okta.com/docs/reference/api/groups/#update-group
The save method for the group uses POST which returns the following when trying to do an update to the group name or description
"errorCode": "E0000022", "errorSummary": "The endpoint does not support the provided HTTP method", "errorLink": "E0000022",
The okta api document for updating groups describes the update group endpoint uses the PUT method https://developer.okta.com/docs/reference/api/groups/#update-group The save method for the group uses POST which returns the following when trying to do an update to the group name or description
"errorCode": "E0000022", "errorSummary": "The endpoint does not support the provided HTTP method", "errorLink": "E0000022",