How To Fix SD_CDS_READ_API028 - Field path generation: Error calling: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_CDS_READ_API -

• Message number: 028

• Message text: Field path generation: Error calling: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_CDS_READ_API028 - Field path generation: Error calling: &1 ?

  The SAP error message SD_CDS_READ_API028 Field path generation: Error calling: &1 typically occurs in the context of SAP S/4HANA, particularly when dealing with Core Data Services (CDS) views or when trying to access data through APIs. This error indicates that there was an issue in generating the field path for a CDS view or when calling a specific API.
  Possible Causes:
  
  Incorrect Field Path: The field path specified in the CDS view or API call may be incorrect or not defined properly.
  Data Model Changes: Changes in the underlying data model (e.g., changes in tables or fields) that are not reflected in the CDS view can lead to this error.
  Authorization Issues: Lack of proper authorizations to access certain fields or data sources can trigger this error.
  Transport Issues: If the CDS view or related objects were transported from one system to another, there might be inconsistencies or missing objects.
  System Configuration: Configuration issues in the SAP system or missing components can also lead to this error.
  
  Solutions:
  
  Check Field Path: Verify the field path specified in the CDS view or API call. Ensure that all fields are correctly defined and exist in the underlying data model.
  Review Data Model: If there have been recent changes to the data model, ensure that the CDS view is updated accordingly. You may need to regenerate the CDS view.
  Authorization Check: Ensure that the user has the necessary authorizations to access the fields and data sources involved in the CDS view or API.
  Transport Validation: If the issue arose after a transport, check that all necessary objects were transported correctly and that there are no missing dependencies.
  Debugging: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to debug the CDS view and check for any runtime errors or issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches or updates.
  
  Related Information:
  
  CDS Views: Core Data Services are a way to define semantic data models in SAP. Understanding how to create and manage CDS views is crucial for troubleshooting related errors.
  API Documentation: Review the API documentation for the specific API you are calling to ensure that you are using it correctly and that all required parameters are being passed.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.