How To Fix AH351 - Internal: inconsistency in file ERCHC

AH351 - Overview

• 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