How To Fix FKKINV318 - Invoicing category &1 is unknown

FKKINV318 - Overview

• 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

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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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FKKINV318 - Details

• 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