Diagnosis
When calling up a function module, at least one of the I_ERROR_ROLLBACKand E_ERROR_INFO functions must be used, so that a Rollback Work can beexecuted if an error occurs, and no data inconsistencies occur.
You can find more information in the interface documentation of thefunction module used (such as ISCD_SCPOS_MAINTAIN), as well as in thedocumentation for the data elements.

Procedure
Correct the parameter.