How To Fix SADL_GW_DT_CDS055 - &1: The type of element &2 must be compatible with data element &3.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 055

• Message text: &1: The type of element &2 must be compatible with data element &3.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS055 - &1: The type of element &2 must be compatible with data element &3. ?

  The SAP error message SADL_GW_DT_CDS055 typically occurs in the context of SAP Gateway and Core Data Services (CDS) when there is a type mismatch between the expected data type of an element and the actual data type being provided. This error is often encountered when defining or consuming CDS views, especially when integrating with OData services.
  Cause:
  The error message indicates that there is a discrepancy between the data types of the elements involved. Specifically, the type of the element (denoted as &2) does not match the expected data type (denoted as &3). This can happen due to several reasons, such as:
  
  Inconsistent Data Types: The data type defined in the CDS view or the OData service does not match the data type expected by the consumer or the underlying database table.
  Changes in Data Model: If there have been recent changes to the data model (e.g., changes in the underlying database table or structure), the CDS view may not have been updated accordingly.
  Incorrect Mapping: When mapping fields in the CDS view or OData service, if the types are not compatible, this error can occur.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of the elements in the CDS view and ensure they match the expected data types. You can do this by checking the definitions in the ABAP Dictionary (transaction SE11) or the CDS view definition (transaction SE80 or SE11).
  
  
  Update CDS View: If there have been changes to the underlying data model, ensure that the CDS view is updated to reflect these changes. You may need to regenerate the CDS view or adjust the data types accordingly.
  
  
  Adjust OData Service: If you are consuming the CDS view through an OData service, ensure that the service is correctly mapping the data types. You may need to adjust the service definition or regenerate the service.
  
  
  Check Annotations: If you are using annotations in your CDS view, ensure that they are correctly defined and compatible with the data types being used.
  
  
  Re-activate Objects: Sometimes, simply re-activating the CDS view and any related objects can resolve inconsistencies.
  
  
  Debugging: If the issue persists, consider debugging the OData service or the CDS view to identify where the type mismatch is occurring.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review the official SAP documentation on CDS views and OData services for best practices and guidelines on data type compatibility.
  Community Forums: Engage with the SAP Community or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the SADL_GW_DT_CDS055 error.