Diagnosis
There is an inconsistency in the SID table &V3& for InfoObject &V4&.

Procedure
Check the table &V3& (transaction se16). Find out why the record withthe value &V1& and the SID &V2& cannot be entered into the table. Notethat there is also a unique index in the 'SID' column. This means thateach SID appears a maximum of once.
Use transaction RSRV, test "Comparison of Number Range and Maximum SID"for characteristic &V4&, to determine whether there is an inconsistencybetween the number range object and the maximum SID. If there is aninconsistency, you can also repair it in this transaction. If this doesnot remove the problem, carry out the other master data tests intransaction RSRV for characteristic &V4&.