How To Fix FKKINV342 - Charge/discount key &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 342

• Message text: Charge/discount key &1 is unknown

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV342 - Charge/discount key &1 is unknown ?

  The SAP error message FKKINV342, which states "Charge/discount key &1 is unknown," typically occurs in the context of billing or invoicing within the SAP system, particularly in the Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that the system is unable to recognize the specified charge or discount key, which is essential for processing the invoice correctly.
  Causes:
  
  Missing Configuration: The charge/discount key specified in the invoice may not be configured in the system. This could happen if the key was deleted or never created.
  Incorrect Key: The key entered in the invoice might be misspelled or incorrect.
  Data Migration Issues: If data was migrated from another system, the charge/discount keys may not have been transferred correctly.
  Authorization Issues: The user may not have the necessary permissions to access the charge/discount key.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP and verify if the charge/discount key exists. This can typically be found in the Customizing settings under Financial Accounting (FI) > Contract Accounts Receivable and Payable > Basic Functions > Charge/Discount Keys.
  If the key does not exist, you may need to create it.
  
  
  
  Verify Key Entry:
  
  Double-check the charge/discount key entered in the invoice for any typographical errors. Ensure that it matches the keys defined in the system.
  
  
  
  Data Migration Review:
  
  If the error occurred after a data migration, review the migration process to ensure that all necessary charge/discount keys were included and correctly mapped.
  
  
  
  User Authorization:
  
  Ensure that the user has the appropriate authorizations to access and use the charge/discount key. This may involve checking user roles and permissions.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for any additional context or specific steps related to the error message.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OBXZ to manage charge/discount keys or FBL1N to view vendor line items where the error might be occurring.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for detailed information on configuring charge/discount keys and their usage in invoicing.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.