How To Fix SDDL_PARSER_MSG197 - Expression is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 197

• Message text: Expression 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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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG197 - Expression is not valid ?

  The SAP error message SDDL_PARSER_MSG197: Expression is not valid typically occurs in the context of SAP Security and Authorization, particularly when dealing with Security Descriptor Definition Language (SDDL) expressions. This error indicates that there is a problem with the syntax or structure of the SDDL expression being used.
  Causes:
  
  Syntax Errors: The SDDL expression may contain typos, incorrect formatting, or invalid characters.
  Invalid Components: The expression may reference security principals (like users or groups) that do not exist or are incorrectly specified.
  Unsupported Features: The SDDL expression may be using features or constructs that are not supported in the version of SAP you are using.
  Logical Errors: The logical structure of the expression may not conform to the expected format, such as missing required components.
  
  Solutions:
  
  Check Syntax: Review the SDDL expression for any syntax errors. Ensure that all components are correctly formatted and that there are no typos.
  Validate Components: Ensure that all users, groups, and other security principals referenced in the expression are valid and exist in the system.
  Use Documentation: Refer to the official SAP documentation for SDDL to ensure that you are using the correct syntax and supported features.
  Test in Segments: If the expression is complex, try breaking it down into smaller parts and testing each segment to isolate the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates that may address known issues with SDDL expressions.
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP Community or SAP Support for assistance.
  
  Related Information:
  
  SAP Security Documentation: Familiarize yourself with the SDDL syntax and examples provided in the SAP security documentation.
  SAP Notes: Regularly check for SAP Notes related to SDDL and authorization issues, as they may provide fixes or workarounds for known problems.
  Testing Tools: Use any available testing tools or transaction codes in SAP that can help validate SDDL expressions before applying them.
  
  By following these steps, you should be able to identify and resolve the issue causing the SDDL_PARSER_MSG197 error.