How To Fix RSTT0029 - Critical errors: Function cannot be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTT0 - Trace Tool: Message Class Engine Layer

• Message number: 029

• Message text: Critical errors: Function cannot be executed

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 RSTT0029 - Critical errors: Function cannot be executed ?

  The SAP error message RSTT0029, which states "Critical errors: Function cannot be executed," typically occurs in the context of performance analysis or when using transaction ST05 (SQL Trace) or ST12 (Combined Trace). This error indicates that there is a critical issue preventing the execution of a function or transaction.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function or transaction.
  System Configuration: There may be a misconfiguration in the system settings or parameters that is preventing the function from executing.
  Database Issues: Problems with the database, such as connectivity issues or corruption, can lead to this error.
  Function Module Errors: The function module being called may have errors or may not be properly defined.
  Performance Trace Issues: If you are trying to start a trace that is already running or if there are issues with the trace configuration, this error can occur.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function. You can use transaction SU53 to analyze authorization failures.
  Review System Configuration: Check the system settings and parameters related to the function or transaction. Ensure that everything is configured correctly.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. Look for any connectivity issues or errors in the database logs.
  Debugging: If you have access to the ABAP code, you can debug the function module to identify any issues in the code that may be causing the error.
  Check Trace Settings: If the error occurs while trying to start a trace, ensure that no other traces are running and that the trace settings are correct.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST05 (SQL Trace), ST12 (Combined Trace), and SU53 (Authorization Check).
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  Documentation: Review SAP documentation related to performance analysis and error handling for additional insights.
  
  By following these steps, you should be able to diagnose and resolve the RSTT0029 error in your SAP system.