How To Fix TIMERULE015 - Expression &1 does not know reference &2

SAP Error Message - Details

• Message type: E = Error

• Message class: TIMERULE - Error Messages for Date Rules

• Message number: 015

• Message text: Expression &1 does not know reference &2

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 TIMERULE015 - Expression &1 does not know reference &2 ?

  The SAP error message TIMERULE015 indicates that there is an issue with a time rule expression in the context of time management or time evaluation. Specifically, the message states that the expression &1 does not recognize the reference &2. This typically occurs in the configuration of time evaluation rules or when defining time-related calculations in SAP.
  Cause:
  
  Incorrect Expression: The expression defined in the time rule may be incorrectly formulated or may not exist in the system.
  Missing Reference: The reference that the expression is trying to use may not be defined or may have been deleted or renamed.
  Configuration Issues: There may be issues in the configuration of the time management module, such as missing or incorrect settings in the time evaluation schema.
  
  Solution:
  
  Check the Expression: Review the expression &1 in the time rule configuration. Ensure that it is correctly defined and that it follows the expected syntax.
  Verify the Reference: Check the reference &2 to ensure that it exists and is correctly defined in the system. If it has been renamed or deleted, you will need to update the expression accordingly.
  Review Time Evaluation Schema: Go to the time evaluation schema and verify that all necessary components are correctly configured. Ensure that all required time rules and references are present.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific time rule and expression syntax.
  Testing: After making changes, perform a test run of the time evaluation to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as PE02 (to maintain time evaluation schemas) or PT60 (to run time evaluation) to troubleshoot and resolve the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to the TIMERULE015 error.
  Support: If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP time management.
  
  By following these steps, you should be able to identify and resolve the cause of the TIMERULE015 error in your SAP system.