How To Fix /AIF/MES168 - Trace level &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/MES -

• Message number: 168

• Message text: Trace level &1 is not defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/MES168 - Trace level &1 is not defined ?

  The SAP error message /AIF/MES168 Trace level &1 is not defined typically occurs in the context of the Application Interface Framework (AIF) when there is an issue with the trace level configuration. This error indicates that the specified trace level (represented by &1) is not recognized or defined in the system.
  Cause:
  
  Invalid Trace Level: The trace level specified in the configuration or during runtime does not exist in the system.
  Configuration Issues: There may be a misconfiguration in the AIF settings where the trace levels are defined.
  Custom Development: If there are custom developments or enhancements, they might be referencing a trace level that has not been properly defined.
  
  Solution:
  
  
  Check Trace Level Configuration:
  
  Go to the AIF configuration settings and verify the defined trace levels. You can do this by navigating to the relevant AIF configuration transaction (e.g., /AIF/CONFIG).
  Ensure that the trace level you are trying to use is listed and correctly configured.
  
  
  
  Update the Trace Level:
  
  If the trace level is not defined, you may need to add it. This can usually be done in the AIF configuration settings where trace levels are managed.
  If you are unsure about the correct trace levels, refer to the SAP documentation or consult with your SAP Basis or AIF administrator.
  
  
  
  Review Custom Code:
  
  If the error is triggered by custom code, review the code to ensure that it is referencing valid trace levels. Update the code to use the correct trace levels as defined in the AIF configuration.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error message. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Testing:
  
  After making changes, test the configuration to ensure that the error no longer occurs. You can do this by triggering the process that previously caused the error.
  
  
  
  Related Information:
  
  AIF Documentation: Review the official SAP documentation for the Application Interface Framework to understand how trace levels are defined and used.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.