How To Fix KD123 - Last rule already reached

SAP Error Message - Details

• Message type: E = Error

• Message class: KD - CO Settlement

• Message number: 123

• Message text: Last rule already reached

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 KD123 - Last rule already reached ?

  The SAP error message KD123 "Last rule already reached" typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with the assignment of costs to cost objects or during the execution of certain allocation processes. This error indicates that the system has reached the last rule in a set of allocation rules, and there are no further rules to process.
  Cause:
  
  Allocation Rules Exhausted: The error usually arises when the system is trying to apply allocation rules for cost distribution, and it has already processed all the defined rules without finding a match for the current transaction.
  Incorrect Configuration: There may be an issue with the configuration of the allocation structure or the rules themselves, leading to the system not being able to find a valid rule for the current data.
  Data Issues: There could be missing or incorrect data in the cost objects or the allocation structure that prevents the rules from being applied correctly.
  
  Solution:
  
  Review Allocation Rules: Check the allocation rules defined in the system. Ensure that they are correctly configured and that there are no gaps that would prevent the rules from being applied.
  Check Cost Object Data: Verify that the cost objects involved in the allocation have the necessary data and that they meet the criteria defined in the allocation rules.
  Adjust Configuration: If necessary, adjust the configuration of the allocation structure or the rules to ensure that they can accommodate the transactions being processed.
  Test with Sample Data: Run tests with sample data to see if the error persists. This can help identify if the issue is with specific data or a broader configuration problem.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the allocation rules and their configuration.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KSV1 (Create Allocation Structure) or KSV2 (Change Allocation Structure) to review and modify allocation rules.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to this error.
  Support: If the issue persists after checking the above, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the KD123 error in your SAP system.