How To Fix KH002 - The combination * X is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 002

• Message text: The combination * X is not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KH002 - The combination * X is not allowed ?

  The SAP error message KH002 ("The combination * X is not allowed") typically occurs in the context of controlling (CO) when you are trying to post a transaction that involves cost elements, cost centers, or internal orders that are not compatible with each other. This error indicates that the combination of the specified elements is not valid according to the configuration in the system.
  Causes:
  
  Invalid Combination of Cost Elements and Cost Centers: The cost element you are trying to use may not be allowed for the specific cost center or internal order.
  Master Data Configuration: The master data for cost centers, internal orders, or cost elements may not be set up correctly, leading to restrictions on certain combinations.
  Account Assignment: The account assignment for the transaction may not be valid, such as trying to assign a cost element to a cost center that is not allowed.
  Controlling Area Settings: The controlling area settings may restrict certain combinations of cost elements and cost centers.
  
  Solutions:
  
  Check Master Data: Review the master data for the cost center, internal order, and cost element involved in the transaction. Ensure that they are correctly configured and that the combinations are allowed.
  Review Configuration: Check the configuration settings in the controlling area to ensure that the combinations of cost elements and cost centers are valid. This can be done in the SPRO transaction under the controlling settings.
  Transaction Type: Ensure that the transaction type you are using is appropriate for the cost element and cost center combination.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and the combinations that are allowed.
  Testing: If you have access to a test environment, try to replicate the issue with different combinations to identify the specific cause.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KS01 (Create Cost Center), KA01 (Create Cost Element), or KO01 (Create Internal Order) to check or modify the relevant master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to perform the transactions you are attempting.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in controlling (CO) to further investigate the issue.