SAP Message RTP232 - Amount identifier must be provided

Diagnosis
Amount identifier is blank. This might happen in one of the followingscenarios.
- while posting payment through external interface keeping AMOUNT_IDfield blank
- Trying to "CHECK" or "SAVE' while posting payment item or paymentorder through dialog without entering retirment plan information onthe corresponding tabs..

Procedure
In case of interface,
Make sure the external interface program brings in valid Amountidentifier. The possible entries are mentioned below.
02,,Contribution
03,,Transfer (credit)
04,,Distribution
05,,Transfer (debit)
06,,Withholding
07,,Interest
08,,Fees
In case of dialog,
Go to corresponding tabs and enter retirement plan information