How To Fix COCM409 - Error during change: Data inconsistency in RESB, VSRESB_CN and COMPCMP

SAP Error Message - Details

• Message type: E = Error

• Message class: COCM - Order Change Management

• Message number: 409

• Message text: Error during change: Data inconsistency in RESB, VSRESB_CN and COMPCMP

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COCM409 - Error during change: Data inconsistency in RESB, VSRESB_CN and COMPCMP ?

  The SAP error message COCM409 indicates a data inconsistency issue related to the RESB (Reservation/dependent requirements), VSRESB_CN (View for Reservation), and COMPCMP (Component Comparison) tables. This error typically occurs during the processing of a production order or when trying to change a component assignment in a bill of materials (BOM).
  Cause:
  The error can be caused by several factors, including:
  
  
  Data Inconsistency: There may be inconsistencies between the data in the RESB and VSRESB_CN tables. This can happen if there are orphaned records or if the data was not properly updated during previous transactions.
  
  
  Database Issues: Corruption or issues in the database can lead to inconsistencies in the data.
  
  
  Concurrent Processing: If multiple users or processes are trying to update the same data simultaneously, it can lead to inconsistencies.
  
  
  Custom Code: If there are custom enhancements or modifications in the system, they might not be handling data correctly, leading to inconsistencies.
  
  
  Solution:
  To resolve the COCM409 error, you can follow these steps:
  
  
  Check for Inconsistencies:
  
  Use transaction codes like SE16 or SE11 to check the RESB and VSRESB_CN tables for any inconsistencies.
  Look for records that do not match or are missing.
  
  
  
  Reorganize Tables:
  
  You can use transaction code SE14 to reorganize the database tables. This can help in resolving inconsistencies.
  
  
  
  Run Consistency Checks:
  
  Use transaction code COHV (Mass Processing of Production Orders) or other relevant transactions to check for inconsistencies in production orders and reservations.
  
  
  
  Review Custom Code:
  
  If there are any custom developments, review the code to ensure it is not causing the inconsistency.
  
  
  
  Database Repair:
  
  If you suspect database corruption, you may need to involve your database administrator to run repair utilities specific to your database system.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order), COHV (Mass Processing), SE16 (Data Browser), and SE14 (Database Utility).
  Documentation: Review SAP documentation related to production orders, reservations, and BOMs for a better understanding of how these components interact.
  Testing: After making changes or corrections, ensure to test the process thoroughly to confirm that the issue has been resolved.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the COCM409 error in your SAP system.