How To Fix FQ463 - Underpayment occurs but underpayments are not processed

SAP Error Message - Details

• Message type: E = Error

• Message class: FQ - Payment Requests and Payment Program

• Message number: 463

• Message text: Underpayment occurs but underpayments are not processed

What causes this issue?

There is an underpayment, but you have not selected editing
underpayments on the selection screen <LS>Edit small amounts</>.

System Response

The underpayment is not further processed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FQ463 - Underpayment occurs but underpayments are not processed ?

  The SAP error message FQ463, which states "Underpayment occurs but underpayments are not processed," typically arises in the context of financial transactions, particularly in accounts payable or receivable processes. This error indicates that there is an underpayment situation, but the system is not set up to handle or process these underpayments as expected.
  Causes:
  
  Configuration Issues: The system may not be configured to allow for underpayment processing. This could be due to settings in the payment program or in the vendor/customer master data.
  Payment Terms: The payment terms defined for the vendor or customer may not allow for underpayments to be processed.
  Document Type Settings: The document type used for the transaction may not support underpayment processing.
  Incomplete Data: There may be missing or incorrect data in the transaction that prevents the system from recognizing the underpayment.
  Custom Logic: Custom enhancements or user exits may be interfering with the standard processing of underpayments.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the payment program (transaction code: OBPM1) to ensure that underpayments are allowed. This includes checking the settings for payment methods and payment terms.
  Review Payment Terms: Ensure that the payment terms assigned to the vendor/customer allow for underpayment processing. You can check this in the vendor/customer master data (transaction codes: XK03 for vendors, FD03 for customers).
  Document Type Review: Verify that the document type used for the transaction supports underpayment processing. This can be checked in the configuration settings for document types (transaction code: OBA7).
  Data Validation: Ensure that all required fields in the transaction are filled out correctly and that there are no discrepancies in the amounts.
  Consult Custom Logic: If there are any custom enhancements or user exits in place, review them to ensure they are not causing the issue. You may need to involve your ABAP team for this.
  Testing: After making any changes, perform tests to ensure that underpayments are processed correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review SAP documentation related to payment processing and underpayment handling for more detailed information.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after checking these areas, it may be beneficial to engage with SAP support for further assistance.