How To Fix FKKBIX664 - Program error: error in document processing at event 8123

FKKBIX664 - Overview

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 664

• Message text: Program error: error in document processing at event 8123

What causes this issue?

An error occurred during processing in event 8123 for assignment key
&v1&.

System Response

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

How to fix this error?

For the revenue generated in event 8123, make sure that (entries in the
table ET_DEFREV_DATES):
the transfer date (PDATE) is specified:
When you intend to replace an existing activation item, the existing
billing document item number from IT_DEFREV_INVBILL_I is to be used
accordingly.

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 FKKBIX664 - Program error: error in document processing at event 8123 ?

  The SAP error message FKKBIX664, which indicates a program error during document processing at event 8123, typically relates to issues in the processing of financial documents, particularly in the context of the SAP Financial Accounting (FI) module. This error can occur during various processes, such as posting documents, executing batch jobs, or during the execution of specific transactions.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the document.
  Custom Code Issues: If there are custom enhancements or modifications in the SAP system, they might be causing conflicts or errors during document processing.
  Configuration Errors: Incorrect configuration settings in the financial module can lead to processing errors.
  System Bugs: There may be bugs in the SAP version you are using that could lead to this error.
  Performance Issues: If the system is under heavy load, it might lead to timeouts or processing errors.
  
  Solutions:
  
  Check for Data Issues: