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

SAP Error Message - Details

• 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: Review the document being processed for any inconsistencies or missing information. Ensure that all required fields are filled correctly.
  Review Custom Code: If there are any custom enhancements, review the code for potential issues. Debugging the custom code may help identify the root cause.
  Configuration Review: Verify the configuration settings in the FI module to ensure they are set up correctly. This includes checking account settings, document types, and posting rules.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address this specific error. Applying the latest patches or updates may resolve the issue.
  System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Contact SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the transaction codes and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FB50 (G/L Account Document), and others that may be involved in the document processing.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant programs to trace the execution flow and identify where the error occurs.
  User Authorizations: Ensure that the user executing the transaction has the necessary authorizations to perform the actions related to the document processing.
  
  By following these steps, you should be able to diagnose and potentially resolve the FKKBIX664 error in your SAP system.