How To Fix SDDL_PARSER_MSG299 - Field &1 already used in ON condition in to-parent association

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 299

• Message text: Field &1 already used in ON condition in to-parent association

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG299 - Field &1 already used in ON condition in to-parent association ?

  The SAP error message SDDL_PARSER_MSG299 indicates that there is a problem with the definition of an association in your data model, specifically in the context of the SAP Business Application Studio or SAP HANA modeling tools. The error message states that a field (denoted as &1) is already being used in the ON condition of a to-parent association, which means that the same field cannot be used multiple times in the same context.
  Cause:
  This error typically occurs when:
  
  You are trying to define a to-parent association in a way that reuses a field that has already been specified in another association or condition.
  There is a conflict in the association definitions where the same field is being referenced multiple times, which is not allowed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Association Definitions: Check the associations defined in your data model. Look for the ON conditions where the field &1 is being used. Ensure that you are not using the same field in multiple associations or conditions.
  
  
  Modify the Associations: If you find that the same field is being used in multiple places, you will need to modify your associations. You can:
  
  Remove the duplicate usage of the field in the ON condition.
  Use a different field for the association if applicable.
  Reassess the logic of your associations to ensure they are correctly defined.
  
  
  
  Check for Inheritance: If you are working with inheritance in your data model, ensure that the fields used in the parent-child relationships are correctly defined and do not conflict.
  
  
  Validate the Model: After making changes, validate your data model to ensure that there are no other errors or warnings.
  
  
  Consult Documentation: If you are unsure about the correct way to define associations, refer to the SAP documentation or guidelines for data modeling in your specific SAP environment.
  
  
  Related Information:
  
  SAP HANA Modeling: Understanding how to create and manage associations in SAP HANA can help prevent such errors. Familiarize yourself with the concepts of associations, joins, and data modeling best practices.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  
  By following these steps, you should be able to resolve the SDDL_PARSER_MSG299 error and successfully define your associations in the data model.