How To Fix AH351 - Internal: inconsistency in file ERCHC

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 351

• Message text: Internal: inconsistency in file ERCHC

What causes this issue?

An internal error has occurred.

System Response

Processing is canceled.

How to fix this error?

Contact SAP with the following error message:
The system determined an inconsistency in the ERCHC file. The entry
with BELNR = &v1& LFDNR = &v2& is inconsistent because the fields OPBEL
and INTOPBEL must be filled at the same time. The INTOPBEL field can
only be empty for the most current entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH351 - Internal: inconsistency in file ERCHC ?

  The SAP error message AH351, which indicates an "Internal: inconsistency in file ERCHC," typically arises from issues related to data inconsistencies in the SAP system, particularly in the context of the material master or related data structures. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Data Corruption: The error may occur due to corruption in the database tables related to the material master or other related data.
  Inconsistent Data: There may be inconsistencies in the data entries, such as missing or incorrect entries in the ERCHC table.
  System Upgrades or Changes: If there have been recent upgrades or changes to the system, it may lead to inconsistencies if the data migration was not handled properly.
  Custom Developments: Custom programs or enhancements that manipulate material data may inadvertently cause inconsistencies.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like SE11 or SE16 to check the ERCHC table for any inconsistencies or missing entries.
  Look for any records that may not conform to expected formats or values.
  
  
  
  Run Consistency Checks:
  
  Use transaction code MM02 or MM03 to check the material master data for inconsistencies.
  You can also use transaction SARA to run archiving and consistency checks.
  
  
  
  Database Repair:
  
  If data corruption is suspected, you may need to run database repair tools or consult with your database administrator to fix any underlying issues.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Consult SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed diagnostics and solutions based on your specific system configuration.
  
  
  
  Backup and Restore:
  
  If the issue is severe and cannot be resolved through the above methods, consider restoring from a backup if available.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and MM02/MM03 (Material Master).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to material management and data consistency for best practices in maintaining data integrity.
  
  Preventive Measures:
  
  Regularly perform data consistency checks and audits.
  Ensure that any custom developments are thoroughly tested before deployment.
  Keep your SAP system updated with the latest patches and notes from SAP.
  
  By following these steps, you should be able to diagnose and resolve the AH351 error effectively.