How To Fix AH301 - ERCH doc. no. &1 inv. doc. no. &2: INTBELNR &3 does not match INTBELNR &4

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 301

• Message text: ERCH doc. no. &1 inv. doc. no. &2: INTBELNR &3 does not match INTBELNR &4

What causes this issue?

Inconsistency:
Reference is made in ERCH document &v1& to invoicing document &v2&,
which must already have been reversed via invoicing. The offsetting
document in the invoicing document is &v3&, but the offsetting document
in the ERDK document is &v4&.

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 AH301 - ERCH doc. no. &1 inv. doc. no. &2: INTBELNR &3 does not match INTBELNR &4 ?

  The SAP error message AH301 indicates a mismatch in the internal document numbers (INTBELNR) between two documents, typically in the context of accounting or financial transactions. This error often arises during processes such as document posting, invoice verification, or when performing accounting adjustments.
  Cause:
  The error message AH301 occurs when:
  
  The internal document number (INTBELNR) of the document being processed does not match the expected internal document number for the related document.
  This can happen due to various reasons, such as:
  
  Manual entry errors.
  Data inconsistencies in the database.
  Incorrect configuration in the system.
  Issues during document transfer between different modules or systems.
  
  
  
  Solution:
  To resolve the AH301 error, you can take the following steps:
  
  
  Verify Document Numbers:
  
  Check the document numbers mentioned in the error message (&1, &2, &3, &4) to ensure they are correct and correspond to the expected entries in the system.
  
  
  
  Check Document Flow:
  
  Review the document flow to ensure that all related documents are correctly linked and that there are no missing or incorrectly posted documents.
  
  
  
  Repost or Adjust Documents:
  
  If there are discrepancies, you may need to repost or adjust the documents involved to ensure that the internal document numbers match.
  
  
  
  Consult with Technical Support:
  
  If the issue persists, it may be necessary to consult with your SAP technical support team or a functional consultant to investigate further. They can check for any underlying issues in the configuration or data integrity.
  
  
  
  Review Custom Code:
  
  If there are any custom developments or enhancements in your SAP system, review them to ensure they are not causing the mismatch.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB03 (Display Document), FB02 (Change Document), or FB01 (Post Document) to investigate the documents involved.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to document posting and invoice verification for best practices and guidelines.
  
  By following these steps, you should be able to identify the cause of the AH301 error and implement a solution to resolve it.