How To Fix SADL_GW_DT_CDS049 - Element &2 and 'on' condition of foreign key association &1 do not match.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 049

• Message text: Element &2 and 'on' condition of foreign key association &1 do not match.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS049 - Element &2 and 'on' condition of foreign key association &1 do not match. ?

  The SAP error message SADL_GW_DT_CDS049 indicates that there is a mismatch between the data types or the conditions of a foreign key association in a Core Data Services (CDS) view. This typically occurs when you are trying to use a foreign key association in a way that does not align with the expected data types or conditions defined in the CDS view.
  Cause
  The error can be caused by several factors:
  
  Data Type Mismatch: The data type of the field you are trying to use in the foreign key association does not match the data type of the corresponding field in the associated entity.
  Inconsistent Conditions: The conditions defined in the foreign key association (e.g., 'on' conditions) do not match the expected conditions for the associated entity.
  Incorrect Association Definition: The association may not be defined correctly in the CDS view, leading to inconsistencies.
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Check Data Types:
  
  Verify that the data types of the fields involved in the foreign key association match. You can do this by checking the definitions of the fields in the CDS view and the associated entity.
  
  
  
  Review Association Conditions:
  
  Examine the 'on' condition of the foreign key association. Ensure that the conditions specified are correct and that they align with the expected conditions for the associated entity.
  
  
  
  Modify CDS View:
  
  If necessary, modify the CDS view to correct any discrepancies in the association definition. This may involve changing the data type of a field or adjusting the conditions of the association.
  
  
  
  Test Changes:
  
  After making the necessary changes, test the CDS view again to ensure that the error has been resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct data types or conditions, refer to the SAP documentation for guidance on defining associations in CDS views.
  
  
  
  Related Information
  
  CDS Views: Core Data Services (CDS) are a way to define semantically rich data models in SAP. They allow for the definition of associations, which are used to link different entities.
  Foreign Key Associations: These are used to establish relationships between different entities in a data model. They are defined using the association keyword in CDS views.
  SAP Notes and Community: If the issue persists, consider checking SAP Notes or the SAP Community for similar issues and solutions provided by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the SADL_GW_DT_CDS049 error in your SAP environment.