The error message of "Unexpected error has occurred; A value with ID ‘xxxxx’ does not exist for the field ‘type" should not appear

Description
The error message of "Unexpected error has occurred; A calue with ID ‘xxxxx’ does not exist for the field ‘type" should not appear. This happens when an Issuetype has been mapped as Test execution, for example, in a team-managed project, and the issuetype has been deleted, but the mapping still exists. The binding was removed, but it was not removed from our side, causing that message to show up. Nevertheless, this message doesn't affect the functionality of Xray.