How To Fix KH351 - Rule number & is not valid

KH351 - Overview

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 351

• Message text: Rule number & is not valid

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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KH351 - Details

• The SAP error message KH351 ("Rule number & is not valid") typically occurs in the context of cost planning or cost allocation in SAP Controlling (CO) when a user attempts to use a cost allocation rule that does not exist or is not properly defined in the system.
  
  Cause:
  
  Invalid Rule Number: The rule number specified does not exist in the system. This could be due to a typo or an incorrect reference.
  Inactive Rule: The rule may exist but is not active or has been deactivated.
  Authorization Issues: The user may not have the necessary authorizations to access the specified rule.
  
  Configuration Issues: There may be issues with the configuration of the cost allocation rules in the system.
  
  
  Solution:
  
  Check Rule Number: Verify that the rule number entered is correct. Ensure there are no typographical errors.
  Review Active Rules: Go to the relevant configuration area in SAP (Transaction code: OKB9 for cost allocation rules) and check if