SAP Message CACSIB399 - &1 row(s) copied, &2 row(s) ignored

Diagnosis
You have selected remuneration lines that should be copied to thealternative commissions. The copying procedure successfully copied &V1&line(s).
V2 line(s) could not be copied because object assignment(service-supplying sub-object) was not possible, or because a specialremuneration line already exists for this remuneration line.