SAP Message 5F087 - Cluster &1 (SIREN &2, NIC &3) can not contain several contracts

Diagnosis
The indicated payroll cluster contains several contracts for anintermittent worker.
The payroll results can only be accessed after the program has readunsplit wage types. If, however, the cluster contains severalcontracts, the same general wage type will be read repeatedly.
The values indicated for these contracts are therefore false along withthe obtained totals.

System Response
The system does not edit the statement for the relevant intermittentworker.

Procedure
Use a cluster split so that each payroll cluster corresponds to eachintermittent worker contract.