How To Fix CFD_REGISTRY_CHECK518 - Field &1 of parameter IT_ENTITY_DATA is not type compatible with view &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 518

• Message text: Field &1 of parameter IT_ENTITY_DATA is not type compatible with view &3

What causes this issue?

Field <(>&<)>1 of parameter IT_ENTITY_DATA of class <(>&<)>2 method
GET_ADDITIONAL_DATA is not type compatible with field in CDS view
<(>&<)>3

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK518 - Field &1 of parameter IT_ENTITY_DATA is not type compatible with view &3 ?

  The SAP error message CFD_REGISTRY_CHECK518 indicates that there is a type compatibility issue between a field in the parameter IT_ENTITY_DATA and the corresponding field in the view specified by &3. This typically occurs in the context of data processing or integration scenarios, such as when using the SAP Cloud Platform or when working with OData services.
  Cause:
  
  
  Data Type Mismatch: The field &1 in the IT_ENTITY_DATA parameter has a different data type than the expected data type defined in the view &3. This could be due to:
  
  Incorrectly defined data types in the ABAP structure or table.
  Changes in the underlying data model that have not been reflected in the code.
  Mismatched lengths or formats (e.g., a string being passed where a numeric value is expected).
  
  
  
  Inconsistent Metadata: If the metadata of the OData service or the data model has been changed (e.g., fields added, removed, or modified), it can lead to such errors.
  
  
  Versioning Issues: If there are multiple versions of the service or data model, the wrong version might be referenced, leading to compatibility issues.
  
  
  Solution:
  
  
  Check Data Types: Verify the data types of the field &1 in the IT_ENTITY_DATA parameter against the expected data type in the view &3. Ensure they match in terms of type, length, and format.
  
  
  Update Data Model: If there have been changes to the data model, ensure that all relevant code and structures are updated accordingly. This may involve regenerating the service or updating the ABAP structures.
  
  
  Review OData Service Metadata: If you are working with an OData service, check the service metadata (usually accessible via a URL like /sap/opu/odata/sap/<service_name>/$metadata) to ensure that the fields and their types are correctly defined.
  
  
  Debugging: Use debugging tools to trace the data being passed to the function or method that is generating the error. This can help identify where the mismatch is occurring.
  
  
  Consult Documentation: Review any relevant SAP documentation or release notes for changes that might affect the data model or service definitions.
  
  
  Testing: After making changes, thoroughly test the integration or data processing to ensure that the issue is resolved and that no new issues have been introduced.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to inspect the data types and structures involved.
  
  By following these steps, you should be able to identify and resolve the issue causing the CFD_REGISTRY_CHECK518 error in your SAP environment.