SAP Message VW207 - Selection variant could not be created/changed successfully

Diagnosis
An error occurs when maintaining the standard selection
variant for the shipment list.
Possible reasons:
You have no authorization for this activity
The transport group could not be connected correctly (either there isauthorization in this client or you have pressed 'Cancel' in the dialogbox for the transport group)
The variant is protected (in this case only the user who protected thevariant can carry out the change).
The variant is blocked by another user
You terminated maintenance
Maintenance was called out with the wrong report name or variant name
Other