How To Fix KT906 - Client &, account &: entries for plant & and & made the same

SAP Error Message - Details

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 906

• Message text: Client &, account &: entries for plant & and & made the same

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?

The controlling department must check the automatic account assignment
in <ZH>Customizing -> Actual postings</>. For more information on the
changed data, see the SAP release note "Automatic Account Assignment
Now With Profit Centers and per Valuation Area".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KT906 - Client &, account &: entries for plant & and & made the same ?

  The SAP error message KT906 indicates that there are duplicate entries for a specific combination of client, account, and plant in the system. This typically occurs in the context of controlling (CO) or financial accounting (FI) when trying to post transactions that involve cost centers, internal orders, or other financial objects.
  Cause:
  The error arises when:
  
  There are multiple entries for the same combination of client, account, and plant in the relevant master data (e.g., cost center master data).
  The system is trying to process a transaction that conflicts with existing entries, leading to ambiguity in how to handle the transaction.
  
  Solution:
  To resolve the KT906 error, you can take the following steps:
  
  
  Check Master Data:
  
  Go to the relevant master data (e.g., cost centers, internal orders) and verify if there are duplicate entries for the specified client, account, and plant.
  Use transaction codes like KS03 (Display Cost Center) or KO03 (Display Internal Order) to check the details.
  
  
  
  Remove Duplicates:
  
  If you find duplicate entries, you may need to delete or deactivate the unnecessary ones. Ensure that you have the necessary authorizations to make these changes.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the controlling area or financial accounting to ensure that there are no conflicting settings that could lead to this error.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking for duplicates and reviewing configurations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing master data and financial postings.
  SAP Notes: Search for SAP Notes related to error KT906 in the SAP Support Portal for any known issues or fixes.
  User Authorizations: Ensure that you have the appropriate authorizations to view and modify master data in the system.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KT906 error in your SAP system.