Message type: E = Error
Message class:  SADL_GW_DT_CDS - Messages CDS Checks 
Message number: 008
Message text: Do not use the virtual element &1 in the association definition.
In the consumption CDS view, a virtual element is used in an association
definition. This is not allowed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Remove the virtual element from the association definition in the CDS
view.
Contact the corresponding developer of the CDS view to correct the
error.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message SADL_GW_DT_CDS008 indicates that there is an issue with the use of a virtual element in the association definition of a Core Data Services (CDS) view. Virtual elements are typically calculated fields or derived attributes that are not directly mapped to a database column. In the context of CDS views, they cannot be used in association definitions.
Cause: The error occurs when you attempt to define an association in a CDS view that includes a virtual element. This is not allowed because associations are meant to establish relationships between entities based on actual database fields, and virtual elements do not have a direct representation in the database.
Solution: To resolve this error, you should: Review the Association Definition: Check the association in your CDS view and identify where the virtual element is being used. Remove the Virtual Element: If the virtual element is part of the association, you need to remove it from
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