Message type: E = Error
Message class: HRPBS00CA - HCM: Calculation Modules
Message number: 303
Message text: Replacement &4 of component &1 is of an unsupported type.
The replacement &V4& of component &V1& in structure &V2& of data class
&V3& is of a type that is not supported.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Use transaction SM30 to choose a different placeholder or change the
placeholder type to a character-type data type.
Error message extract from SAP system. Copyright SAP SE.