How To Fix RSODP_ABAP_CDS115 - Association &1 ignored: Field &2 is not used in the ON condition

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 115

• Message text: Association &1 ignored: Field &2 is not used in the ON condition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS115 - Association &1 ignored: Field &2 is not used in the ON condition ?

  The SAP error message RSODP_ABAP_CDS115 indicates that there is an issue with the definition of an association in a Core Data Services (CDS) view. Specifically, the error states that a field in the association is not being used in the ON condition, which is necessary for defining how the two entities in the association relate to each other.
  Cause
  The error typically arises from one of the following scenarios:
  
  
  Incorrect Association Definition: The association is defined with fields that are not being utilized in the ON condition. This means that the fields specified in the association do not contribute to the join condition between the two tables or entities.
  
  
  Missing Join Conditions: The join condition may be incomplete or incorrectly specified, leading to the association being ignored because it cannot determine how to relate the two entities.
  
  
  Redundant Fields: The fields included in the association may be redundant or unnecessary for the join, which can lead to confusion in the CDS view definition.
  
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Review the Association Definition: Check the definition of the association in your CDS view. Ensure that all fields included in the association are necessary and relevant to the join condition.
  
  
  Modify the ON Condition: Update the ON condition to include the fields that are part of the association. Ensure that the join condition accurately reflects the relationship between the two entities.
  Example:
  define association to AnotherEntity as _AnotherEntity
  on AnotherEntity.Field1 = this.Field1
  and AnotherEntity.Field2 = this.Field2
  
  
  Remove Unused Fields: If certain fields in the association are not needed for the join, consider removing them from the association definition.
  
  
  Test the Changes: After making the necessary adjustments, activate the CDS view and test it to ensure that the error is resolved and that the association behaves as expected.
  
  
  Related Information
  
  CDS Views: Core Data Services (CDS) are a way to define semantic data models in SAP. They allow for the creation of complex data models that can be consumed by various applications.
  Associations: In CDS, associations are used to define relationships between different entities. They are similar to foreign key relationships in traditional database design.
  SAP Documentation: For more detailed information, refer to the official SAP documentation on CDS views and associations, which provides guidelines and best practices for defining and using them.
  
  By following these steps and understanding the underlying concepts, you should be able to resolve the RSODP_ABAP_CDS115 error effectively.