How To Fix SADL_GEN_DRFT_MSG312 - Constraint fields of association &1 must be part of selection list.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GEN_DRFT_MSG - Message for Draft generation

• Message number: 312

• Message text: Constraint fields of association &1 must be part of selection list.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GEN_DRFT_MSG312 - Constraint fields of association &1 must be part of selection list. ?

  The SAP error message SADL_GEN_DRFT_MSG312 indicates that there is a problem with the selection criteria in a Data Retrieval Framework (DRF) query. Specifically, it states that the constraint fields of an association must be included in the selection list of the query. This typically occurs when you are trying to retrieve data from a database using a query that has associations defined, but the fields that are used to define those associations are not included in the selection criteria.
  Cause:
  
  Missing Fields in Selection List: The fields that are part of the association constraints are not included in the selection list of the query.
  Incorrect Query Definition: The query may not be properly defined to include all necessary fields that are required for the associations.
  Data Model Issues: There may be issues with the underlying data model or the way associations are defined in the CDS (Core Data Services) view.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Query Definition:
  
  Check the query definition to ensure that all fields that are part of the association constraints are included in the selection list.
  If you are using a CDS view, ensure that the fields used in the associations are selected in the view.
  
  
  
  Modify the Selection Criteria:
  
  Add the missing constraint fields to the selection list of your query. This can be done in the ABAP code or in the CDS view definition.
  
  
  
  Check Association Definitions:
  
  Review the association definitions in your CDS view or data model to ensure they are correctly defined and that the fields used in the associations are correctly referenced.
  
  
  
  Test the Query:
  
  After making the necessary changes, test the query again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the specific fields that need to be included, refer to the SAP documentation for the Data Retrieval Framework and the specific data model you are working with.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging: If you have access to debugging tools, you can trace the execution of the query to identify where the error is occurring and what fields are being processed.
  
  By following these steps, you should be able to resolve the SADL_GEN_DRFT_MSG312 error and successfully execute your query.