Diagnosis
Program error in an application program that creates returns documents.Either the I_OPBEL or I_OPOPK parameters were notspecified or had a blank value when calling up the function moduleFKK_REFUSAL_POST or FKK_REFUSAL_POST_MASS.
These two specifications can only be missing for processing modeI_RL_MODUS = 3. In this case, you are not working in this mode.

System Response
Error message

Procedure
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX

Procedure for System Administration
INCLUDE FICA_NA_OSS OBJECT DOKU ID TX