SAP Message 5Q331 - Two entries exist for constant &1 in period &2 to &3

Diagnosis
The constant has not been maintain correctly. Only one record can existfor the constant at any time.

System Response
The system cannot calculate the child allowance amount. It cannot checkthe amounts that have already been calculated.

Procedure
Check the entries OKKG0 orOKKG1 - OKKG4. If necessary, see thedocumentation on the Implementation Guide.