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

FKKBIX159 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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