Accessing Request Offerings gives you an error message: Unhandled system exception: value can not be null. Parameter name: key
The default org unit, GMI has been deleted from the system. This org unit is associated to all of the out of box Request Offerings, so you would need to add the org unit GMI back. Once you have added it back, you can associate a user to this org unit and update the out of box Request Offerings and associate them to your new org unit.