How To Fix FKKINV318 - Invoicing category &1 is unknown

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 318

• Message text: Invoicing category &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV318 - Invoicing category &1 is unknown ?

  The SAP error message FKKINV318 indicates that the invoicing category specified in the transaction is unknown or not recognized by the system. This error typically occurs in the context of contract accounts receivable and payable (FI-CA) when trying to process an invoice.
  Cause:
  
  Incorrect Invoicing Category: The invoicing category specified in the transaction does not exist in the system. This could be due to a typo or an incorrect configuration.
  Missing Configuration: The invoicing category may not have been defined in the system. This can happen if the necessary configuration steps were not completed during the setup of the FI-CA module.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables that define invoicing categories.
  
  Solution:
  
  Check Invoicing Category: Verify the invoicing category being used in the transaction. Ensure that it is correctly spelled and corresponds to a valid category in the system.
  Configuration Check: 
  
  Go to the configuration settings for FI-CA and check if the invoicing category is defined. This can typically be done in the following path:
  
  SPRO ? Financial Accounting ? Contract Accounts Receivable and Payable ? Basic Functions ? Invoicing ? Define Invoicing Categories.
  
  
  If the category is missing, you may need to create it or adjust the existing configuration.
  
  
  Consult Documentation: Review the SAP documentation or help files related to invoicing categories to ensure that you are using the correct categories for your business processes.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs can cause unexpected behavior.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like OBD2 (for defining invoicing categories) or FBL5N (to check customer line items) to investigate further.
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for FKKINV318 in the SAP Support Portal.
  User Roles: Ensure that the user executing the transaction has the necessary authorizations to access and modify invoicing categories.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.