How To Fix SDDL_PARSER_MSG296 - Only "AND" join valid as 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: 296

• Message text: Only "AND" join valid as 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_MSG296 - Only "AND" join valid as ON condition in "to parent" association ?

  The SAP error message SDDL_PARSER_MSG296 indicates that there is an issue with the way a join condition is defined in a data model, specifically in the context of "to parent" associations. This error typically arises when the join condition in the association is not properly defined according to the expected syntax or logic.
  Cause:
  The error occurs when the join condition in a "to parent" association is not using the correct format. In SAP's data modeling, particularly in the context of Core Data Services (CDS) views or similar constructs, the system expects the join condition to be defined using an "AND" operator. If the join condition uses other operators or is improperly structured, the parser will throw this error.
  Solution:
  To resolve this error, you should:
  
  
  Review the Join Condition: Check the join condition in your data model. Ensure that it is structured correctly and only uses the "AND" operator for the conditions that link the child entity to the parent entity.
  
  
  Correct Syntax: Make sure that the syntax follows the expected format. For example, if you have multiple conditions, they should be combined using "AND" like this:
  ON condition1 AND condition2
  
  
  Check for Other Operators: Ensure that you are not using other logical operators (like OR) in the join condition, as this will lead to the error.
  
  
  Consult Documentation: If you are unsure about the correct syntax or structure, refer to the SAP documentation for the specific version you are using. This can provide examples and guidelines for defining associations correctly.
  
  
  Test Changes: After making the necessary adjustments, test the data model again to ensure that the error is resolved.
  
  
  Related Information:
  
  Core Data Services (CDS): Understanding how CDS views work and the rules for defining associations can help prevent this error.
  SAP Notes and Community: Check SAP Notes or the SAP Community for similar issues and solutions shared by other users.
  Debugging Tools: Use debugging tools available in your SAP environment to trace the error and understand where the join condition is failing.
  
  By following these steps, you should be able to resolve the SDDL_PARSER_MSG296 error and ensure that your data model is correctly defined.