How To Fix CFD_REGISTRY_CHECK028 - Enter the Name of the Association Alias to the Extension Include View

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 028

• Message text: Enter the Name of the Association Alias to the Extension Include View

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK028 - Enter the Name of the Association Alias to the Extension Include View ?

  The SAP error message CFD_REGISTRY_CHECK028, which states "Enter the Name of the Association Alias to the Extension Include View," typically occurs in the context of SAP's Core Data Services (CDS) views or when working with the ABAP Development Tools (ADT) in Eclipse. This error indicates that there is a missing or incorrectly specified association alias in your CDS view definition.
  Cause:
  
  Missing Association Alias: The error usually arises when you have defined an association in your CDS view but have not provided a valid alias for it.
  Incorrect Syntax: There might be a syntax error in the definition of the association or the extension include view.
  View Definition Issues: The extension include view may not be properly defined or may not exist.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the CDS View Definition:
  
  Open the CDS view in the ABAP Development Tools (ADT).
  Ensure that all associations are correctly defined and that each association has a valid alias.
  
  
  
  Define the Association Alias:
  
  If you have an association defined, make sure to provide an alias for it. For example:
  define view Z_MY_CDS_VIEW
  as select from my_table
  association [0..*] to other_table as _OtherTable
  on my_table.key = _OtherTable.key
  
  In this example, _OtherTable is the association alias.
  
  
  
  Check Extension Include View:
  
  If you are using an extension include view, ensure that it is correctly defined and that it references the main view properly.
  Make sure that the extension view is activated and does not contain any errors.
  
  
  
  Activate the Views:
  
  After making changes, activate both the main CDS view and the extension include view to ensure that the changes take effect.
  
  
  
  Review Documentation:
  
  If you are unsure about the syntax or structure, refer to the SAP documentation on CDS views and associations for guidance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and how they resolved them.
  ABAP Development Tools: Familiarize yourself with the features of ADT, as it provides tools for debugging and validating your CDS views.
  
  By following these steps, you should be able to resolve the CFD_REGISTRY_CHECK028 error and successfully define your CDS view with the necessary associations.