How To Fix SDDIC_ADT_SRVD904 - Illegal syntax. Malformed service definition

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_ADT_SRVD - Messages for Service Definition Design Time

• Message number: 904

• Message text: Illegal syntax. Malformed service definition

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 SDDIC_ADT_SRVD904 - Illegal syntax. Malformed service definition ?

  The SAP error message SDDIC_ADT_SRVD904 indicates that there is an issue with the syntax of a service definition in the context of the SAP Gateway or OData services. This error typically arises when the service definition is not correctly formatted or contains invalid elements.
  Causes:
  
  Malformed Syntax: The service definition may contain syntax errors, such as missing brackets, incorrect keywords, or misplaced elements.
  Invalid Annotations: Annotations in the service definition might not conform to the expected format or structure.
  Unsupported Features: The service definition may be using features or constructs that are not supported by the version of the SAP system you are using.
  Copy-Paste Errors: If the service definition was copied from another source, it might have introduced hidden characters or formatting issues.
  Version Mismatch: There could be a mismatch between the service definition and the underlying data model or entity types.
  
  Solutions:
  
  Review the Service Definition: Carefully check the service definition for any syntax errors. Look for missing or extra commas, brackets, or incorrect keywords.
  Validate Annotations: Ensure that all annotations used in the service definition are valid and correctly formatted.
  Use the SAP Gateway Client: Test the service using the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to see if it provides more detailed error messages.
  Check Documentation: Refer to the official SAP documentation for the correct syntax and structure of service definitions.
  Debugging: If possible, use debugging tools to step through the service definition process to identify where the error occurs.
  Recreate the Service: If the issue persists, consider recreating the service definition from scratch to eliminate any hidden issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  OData Documentation: Familiarize yourself with OData service development guidelines and best practices to avoid common pitfalls.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with the specific details of the service definition and the context in which the error occurs.