How To Fix SDDL_PARSER_MSG404 - Association "&1" does not have the property "Composition"

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 404

• Message text: Association "&1" does not have the property "Composition"

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_MSG404 - Association "&1" does not have the property "Composition" ?

  The SAP error message SDDL_PARSER_MSG404 indicates that there is an issue with the association definition in your SAP system, specifically that the association "&1" does not have the property "Composition". This error typically arises in the context of SAP Gateway or OData services when there is a mismatch in the expected metadata for an association.
  Cause:
  
  Missing Composition Property: The association defined in your OData model is expected to have a "Composition" property, but it is not defined. This can happen if the association is incorrectly configured in the metadata or if the underlying data model does not support composition.
  Incorrect Metadata Definition: The metadata for the OData service may not be correctly defined, leading to inconsistencies between the service and the underlying data model.
  Modeling Errors: There may be errors in the way the data model is designed, such as missing relationships or incorrect cardinality settings.
  
  Solution:
  
  Check Association Definition: Review the definition of the association in your OData model. Ensure that it is correctly defined and includes the necessary properties, including "Composition" if required.
  Update Metadata: If the metadata is outdated or incorrect, regenerate the metadata for the OData service. This can often be done through transaction codes like /IWFND/MAINT_SERVICE or /IWFND/MAINT_SERVICE in the SAP Gateway.
  Review Data Model: Ensure that the underlying data model supports the association and that the relationships are correctly defined. Check for any missing entities or properties that may be causing the issue.
  Consult Documentation: Refer to SAP documentation or community forums for guidance on how to properly define associations and compositions in your specific version of SAP.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error is occurring. This may provide additional insights into what is causing the problem.
  
  Related Information:
  
  SAP Gateway: Understanding how SAP Gateway handles OData services and associations can provide context for resolving this error.
  OData Services: Familiarize yourself with OData service definitions, including how to define entities, associations, and compositions.
  SAP Community: Engage with the SAP Community forums for additional support and to see if others have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the SDDL_PARSER_MSG404 error in your SAP system.