How To Fix CFD_REPOSITORY_HNDLR028 - Data source &1 does not contain the reference field of field &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REPOSITORY_HNDLR - Custom Fields: Repository Handler

• Message number: 028

• Message text: Data source &1 does not contain the reference field of field &2.

What causes this issue?

The CDS view <(>&<)>1 does not contain the reference field of field
<(>&<)>2.

System Response

You cannot add field <(>&<)>2 to view <(>&<)>1.

How to fix this error?

Please add the reference field to the view. Then try again.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REPOSITORY_HNDLR028 - Data source &1 does not contain the reference field of field &2. ?

  The SAP error message CFD_REPOSITORY_HNDLR028 indicates that there is an issue with a data source not containing a required reference field. This error typically arises in the context of SAP's data modeling or data integration processes, particularly when working with Composite Providers, Data Sources, or InfoProviders in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  The error occurs when:
  
  A data source (e.g., a table or view) is expected to contain a specific reference field, but that field is missing.
  The reference field is defined in the data model or query, but the underlying data source does not have that field available.
  There may be a mismatch in the field names or data types between the data source and the expected reference field.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Source Structure:
  
  Verify the structure of the data source (e.g., table, view) to ensure that it contains the reference field specified in the error message.
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the data source.
  
  
  
  Update Data Source:
  
  If the reference field is missing, you may need to update the data source to include it. This could involve modifying the underlying database table or view to add the required field.
  
  
  
  Adjust Data Model:
  
  If the reference field is not needed, consider adjusting the data model or query to remove the dependency on that field.
  Check the Composite Provider or InfoProvider definition to ensure that it aligns with the available fields in the data source.
  
  
  
  Re-activate Objects:
  
  After making changes, re-activate the affected objects (e.g., Composite Provider, InfoProvider) to ensure that the changes take effect.
  
  
  
  Check for Transport Issues:
  
  If the error occurred after a transport, ensure that all necessary objects were transported correctly and that there are no missing dependencies.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific data source and the error message for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE11: Data Dictionary
  SE16: Data Browser
  RSA1: Data Warehousing Workbench
  
  
  Data Modeling: Understanding the principles of data modeling in SAP BW or HANA can help prevent such issues in the future.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.