SAP Message BS311 - No user status for direct input available

Diagnosis
You want to set or delete a user status with the direct entry function,but the current status object is not assigned to a status schema.

System Response
Direct entry is not possible.

Procedure
A schema must be entered in the "Status schema" field before you canset a user status.
If no user status is intended for the current status object type, thisfield is not ready for input. Direct input is then not possible.