How To Fix CK406 - Index table on KALKTAB incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 406

• Message text: Index table on KALKTAB incorrect

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Notify your system supervisor.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK406 - Index table on KALKTAB incorrect ?

  The SAP error message CK406, which states "Index table on KALKTAB incorrect," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with product costing and material valuation. This error indicates that there is an inconsistency or corruption in the index table that is used for the KALKTAB (costing table) in the system.
  Causes:
  
  Data Inconsistency: The index table may not be properly synchronized with the KALKTAB, possibly due to incomplete updates or data inconsistencies during transactions.
  Database Issues: Corruption in the database or issues during data migration can lead to inconsistencies in the index tables.
  System Upgrades or Changes: Changes in the system configuration, upgrades, or patches may lead to inconsistencies if not properly executed.
  Custom Developments: Custom programs or modifications that interact with the costing tables may inadvertently cause inconsistencies.
  
  Solutions:
  
  Rebuild the Index: The most common solution is to rebuild the index for the KALKTAB. This can typically be done using transaction code CK11N (Create Cost Estimate) or CK40N (Costing Run) to regenerate the costing data.
  Check for Updates: Ensure that all relevant SAP notes and patches are applied. Sometimes, SAP releases notes that address specific issues related to costing and index tables.
  Database Consistency Check: Perform a database consistency check to identify and rectify any inconsistencies. This may involve using transaction codes like SE14 (Database Utility) to check and repair database tables.
  Consult SAP Support: If the issue persists, it may be necessary to consult SAP support for further assistance. They can provide guidance based on the specific version of SAP you are using and any known issues.
  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 CK11N, CK40N, CK24 (Display Cost Estimate), and CK13N (Display Cost Estimate with Reference).
  SAP Notes: Regularly check the SAP Support Portal for notes related to CK406 and KALKTAB issues. These notes often contain specific instructions or patches to resolve known issues.
  Documentation: Review SAP documentation related to product costing and the KALKTAB to understand the structure and dependencies of the data involved.
  
  Preventive Measures:
  
  Regularly monitor and maintain the integrity of your database.
  Implement proper change management practices when making updates or customizations to the system.
  Schedule periodic checks of costing data to catch inconsistencies early.
  
  By following these steps, you should be able to address the CK406 error effectively.