SAP Message CACSSESTD118 - Error while determining external subobject ID for subobject &1/&2

Diagnosis
No external subobject ID can be determined for subobject &SYST-MSGV1&/Syst-msgv2 of remuneration line syst-msgv3.
This situation can arise if liable remuneration lines in a liability sce
nario are subject to actual commission.

System Response
Processing is terminated.

Procedure
Contact your system administrator for an analysis and solution of the pr
oblem.