How To Fix FKKBIX159 - Class &1 is not active in client &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 159

• Message text: Class &1 is not active in client &2

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 FKKBIX159 - Class &1 is not active in client &2 ?

  The SAP error message FKKBIX159 indicates that a specific class (denoted as &1) is not active in the specified client (denoted as &2). This error typically occurs in the context of financial accounting or controlling modules when the system attempts to access a class that has not been activated or is not available in the current client.
  Cause:
  
  Class Not Activated: The class you are trying to use has not been activated in the specified client.
  Client-Specific Configuration: The class may exist in the system but is not configured for the specific client you are working in.
  Transport Issues: If the class was recently transported from another system, it may not have been properly activated in the target client.
  Authorization Issues: There may be authorization restrictions preventing access to the class.
  
  Solution:
  
  
  Activate the Class:
  
  Go to the transaction code CL02 (Change Class) or CL01 (Create Class) in the SAP GUI.
  Check if the class exists and is active in the current client. If not, you may need to activate it.
  
  
  
  Check Client Settings:
  
  Ensure that the class is configured correctly for the client you are working in. You may need to consult with your SAP Basis or configuration team to verify this.
  
  
  
  Transport Request:
  
  If the class was recently transported, check the transport logs to ensure that it was successfully imported into the client. If not, you may need to re-import the transport request.
  
  
  
  Authorization Check:
  
  Verify that you have the necessary authorizations to access the class. You may need to consult with your security team to ensure your user profile has the required permissions.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or notes related to the specific class and its configuration in your system.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CL01 - Create Class
  CL02 - Change Class
  CL03 - Display Class
  
  
  SAP Notes: Check for any SAP Notes related to the specific class or error message for additional guidance or patches.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the FKKBIX159 error and ensure that the class is active and accessible in the specified client.