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

KT906 - Overview

• 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