SAP Message U6008 - Process the table 'error categories' for errors &3 &4

Diagnosis
A person responsible for backlog set &V1& and activity &V2& has not beenentered in the table error categories.
Data is entered in this table when the error extract table is generated(INSTSET). You must then enter persons responsible for all errors in thetable error categories (= ISU_ERREXTR_BI ).

Procedure
Enter the persons responsible in the table.