SAP Message RSAU337 - Update terminated because table of data to be upated is empty

Diagnosis
You requested data of type &V2&.
Data types:
M : Master data
T : Texts
No data records are transferred to the update module.

System Response
The data packet cannot be updated, since the data records are notconsistent.

Procedure
Check the data source for consistency. Delete the lock for table &V2&of characteristic &V1& in the monitor.
Tables:
M : Maser data table
T : Text table