How To Fix SDDL_PARSER_MSG437 - Alias "&1" is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 437

• Message text: Alias "&1" is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG437 - Alias "&1" is not allowed ?

  The SAP error message SDDL_PARSER_MSG437 with the description "Alias '&1' is not allowed" typically occurs in the context of SAP Security and Authorization Management, particularly when dealing with the Security Descriptor Definition Language (SDDL). This error indicates that there is an issue with the alias being used in a security descriptor.
  Cause:
  
  Invalid Alias: The alias specified in the SDDL string is not recognized or is not allowed in the context where it is being used.
  Configuration Issues: There may be a misconfiguration in the security settings or the SDDL string itself.
  Syntax Errors: There could be a syntax error in the SDDL string that leads to the parser rejecting the alias.
  Authorization Issues: The user or role attempting to use the alias may not have the necessary permissions to do so.
  
  Solution:
  
  Check the Alias: Verify that the alias specified in the error message is correct and is defined in the system. Ensure that it adheres to the naming conventions and is allowed in the context of the SDDL.
  Review SDDL Syntax: Inspect the SDDL string for any syntax errors. Ensure that it is formatted correctly and that all components are valid.
  Consult Documentation: Refer to SAP documentation or help resources for the specific context in which the error is occurring. This can provide insights into valid aliases and their usage.
  Authorization Check: Ensure that the user or role has the necessary authorizations to use the specified alias. You may need to adjust roles or permissions accordingly.
  Testing: If changes are made, test the SDDL string in a development or test environment before applying it to production.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), PFCG (Role Maintenance), and SUIM (User Information System) for managing authorizations and roles.
  Security Descriptor: Understand the structure and components of a security descriptor in SAP, as this will help in troubleshooting issues related to SDDL.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a security expert familiar with SAP systems.