Cannot re-assign incidents to User if User record has delegates - Support and Troubleshooting

Cannot re-assign incidents to User if User record has delegates Issue  Symptoms Cannot re-assign incidents/tickets to a User

Cause If a user has a delegate assigned to them, actual user record will not pop up in the 'Assigned to' field

Resolution Delegate entries must be deleted from the user record in order to populate the user's name in 'Assigned to'.

Additional Information This is an expected behavior and reproducible on OOTB instances as well