How To Fix SDDL_PARSER_MSG134 - & is an invalid parameter name or a reserved keyword

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 134

• Message text: & is an invalid parameter name or a reserved keyword

What causes this issue?

The labels for the importing parameters and the columns for the return
table must comply with the general rules for ABAP CDS:
<DS:ABEN.CDS_GENERAL_SYNTAX_RULES>ABAP CDS - General Syntax Rules</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG134 - & is an invalid parameter name or a reserved keyword ?

  The SAP error message SDDL_PARSER_MSG134 indicates that there is an issue with a parameter name in your Security Descriptor Definition Language (SDDL) string. This error typically arises when the parameter name used in the SDDL string is either invalid or is a reserved keyword that cannot be used in that context.
  Cause:
  
  Invalid Parameter Name: The parameter name specified in the SDDL string does not conform to the expected naming conventions or is misspelled.
  Reserved Keyword: The parameter name used is a reserved keyword in the context of SDDL, which means it cannot be used as a parameter name.
  Syntax Errors: There may be syntax errors in the SDDL string that lead to misinterpretation of the parameter names.
  
  Solution:
  
  Check Parameter Names: Review the SDDL string for any parameter names that may be incorrectly spelled or do not conform to the expected format. Ensure that all parameter names are valid.
  Avoid Reserved Keywords: Make sure that the parameter names you are using are not reserved keywords in SDDL. You can refer to the official SAP documentation or SDDL specifications to identify reserved keywords.
  Validate SDDL Syntax: Use an SDDL validator or check the syntax of your SDDL string to ensure that it is correctly formatted. Look for missing brackets, commas, or other syntax-related issues.
  Consult Documentation: Refer to the SAP documentation for SDDL to understand the correct usage of parameters and to find examples of valid SDDL strings.
  Testing: After making corrections, test the SDDL string again to see if the error persists.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SDDL and security descriptor issues for any specific guidance or updates.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation on security descriptors and SDDL for detailed information on valid parameter names and usage.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance, providing them with the specific SDDL string you are using and the context in which the error occurs.