How To Fix AH310 - Invoicing document &1: incorrect FKKOP-OPBEL &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 310

• Message text: Invoicing document &1: incorrect FKKOP-OPBEL &2

What causes this issue?

Both document numbers must match.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH310 - Invoicing document &1: incorrect FKKOP-OPBEL &2 ?

  The SAP error message AH310 typically indicates an issue with the invoicing document in the context of contract accounts receivable and payable (FI-CA). The error message specifically points to an incorrect reference to the document number in the FKKOP table, which is used for managing open items in the contract accounts.
  Cause:
  The error message AH310 can occur due to several reasons, including:
  
  Incorrect Document Number: The invoicing document number referenced does not exist in the system or is not valid.
  Data Inconsistency: There may be inconsistencies in the data between the invoicing document and the entries in the FKKOP table.
  Document Deletion: The document might have been deleted or archived, leading to a mismatch.
  Configuration Issues: There could be configuration issues in the FI-CA module that affect how documents are processed.
  
  Solution:
  To resolve the AH310 error, you can take the following steps:
  
  Verify Document Numbers: Check the invoicing document number (&1) and the reference document number (&2) to ensure they are correct and exist in the system.
  Check FKKOP Table: Use transaction SE16 or SE11 to view the FKKOP table and verify if the document numbers are present and correctly linked.
  Review Document Status: Ensure that the invoicing document has not been deleted or archived. If it has, you may need to restore it or create a new document.
  Reprocess the Document: If the document is valid, try to reprocess it. Sometimes, re-executing the transaction can resolve temporary issues.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that might provide additional context.
  Configuration Review: If the issue persists, review the configuration settings in the FI-CA module to ensure everything is set up correctly.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SLG1 (Application Log), and FBL5N (Customer Line Item Display) to investigate the issue further.
  SAP Notes: Search for SAP Notes related to error AH310 for any patches or updates that may address the issue.
  Documentation: Review SAP documentation on FI-CA for a better understanding of how invoicing and document management works within the module.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the AH310 error message in SAP.