How To Fix FKKINV159 - Definition of calculation rule for charges/discounts incomplete

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 159

• Message text: Definition of calculation rule for charges/discounts incomplete

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 FKKINV159 - Definition of calculation rule for charges/discounts incomplete ?

  The SAP error message FKKINV159 indicates that there is an issue with the definition of calculation rules for charges or discounts in the SAP system, specifically within the context of contract accounts receivable and payable (FI-CA). This error typically arises when the system cannot find a complete or valid calculation rule for processing charges or discounts during invoice processing.
  Cause:
  
  Incomplete Configuration: The calculation rules for charges or discounts may not be fully defined in the system. This could be due to missing entries in the configuration settings.
  Missing Condition Types: The necessary condition types for calculating charges or discounts may not be set up correctly or may be missing.
  Incorrect Assignment: The calculation rules may not be correctly assigned to the relevant business transactions or document types.
  Custom Development Issues: If there are custom developments or enhancements in the system, they may interfere with the standard calculation rules.
  
  Solution:
  
  
  Check Configuration:
  
  Navigate to the configuration settings for calculation rules in the SAP system. This is typically found under SPRO ? Financial Accounting ? Accounts Receivable and Payable ? Contract Accounts Receivable and Payable ? Basic Functions ? Calculation of Charges and Discounts.
  Ensure that all necessary calculation rules are defined and complete.
  
  
  
  Define Condition Types:
  
  Verify that the condition types for charges and discounts are properly defined and activated in the system.
  Check if the condition types are assigned to the relevant calculation rules.
  
  
  
  Review Assignment:
  
  Ensure that the calculation rules are correctly assigned to the relevant document types and business processes.
  Check if the rules are applicable to the specific transaction you are trying to process.
  
  
  
  Test with Standard Transactions:
  
  If you have custom developments, test the standard transactions to see if the error persists. This can help isolate whether the issue is with standard configuration or custom code.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the error message for any specific guidance or updates that may address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide patches or additional insights based on the specific version of your SAP system.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OBY6 (for defining calculation rules) or FKKINV (for invoice processing) to navigate to relevant areas in the SAP system.
  SAP Notes: Search for SAP Notes related to FKKINV159 for any known issues or fixes that may apply to your version of SAP.
  Testing: After making changes, always test the configuration in a development or quality assurance environment before applying it to production.
  
  By following these steps, you should be able to identify and resolve the issue related to the FKKINV159 error message in SAP.