Diagnosis
In table TCOBL, there are specific name ranges reserved for customersfor the fields 'Cl' (class), 'CoNo' (consecutive number), and 'ScNo'(screen number). Your entries must conform to these conventions,otherwise you run the risk that they will be overwritten by futuretransports.

Procedure
Use F4 to determine the reserved name ranges for the fields

• class


• consecutive number, and


• screen number.