How To Fix KO126 - Enter a CO area, company code, or plant

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 126

• Message text: Enter a CO area, company code, or plant

How to fix this error?

Enter
a controlling area
a company code
or a plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO126 - Enter a CO area, company code, or plant ?

  The SAP error message KO126 ("Enter a CO area, company code, or plant") typically occurs in the context of controlling (CO) transactions, particularly when the system requires specific organizational data to process a transaction but that data is missing or not properly specified.
  Cause:
  The error is usually triggered by one of the following reasons:
  
  Missing Organizational Data: The user has not entered a controlling area (CO area), company code, or plant in the transaction.
  Incorrect Configuration: The system may not be properly configured to recognize the organizational units required for the transaction.
  User Input Error: The user may have overlooked entering the necessary fields or may have entered them incorrectly.
  
  Solution:
  To resolve the KO126 error, you can take the following steps:
  
  
  Check Input Fields:
  
  Ensure that you have entered the controlling area, company code, and plant in the relevant fields of the transaction.
  Double-check for any typos or incorrect entries.
  
  
  
  Review Configuration:
  
  Verify that the controlling area is correctly assigned to the company code and that the company code is linked to the appropriate plant.
  Check the configuration settings in the SAP system to ensure that the organizational structure is set up correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for the specific transaction you are using to understand the required fields and their significance.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to access the controlling area, company code, or plant. Lack of authorization can sometimes lead to such errors.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or system administrator for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes related to controlling, such as KO01 (Create Internal Order), KO02 (Change Internal Order), or others.
  Organizational Structure: Understanding the relationship between controlling areas, company codes, and plants is crucial for effective SAP CO module usage.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the KO126 error in your SAP system.