How To Fix SD_CDS_PROJECTION013 - Definition of new Associations is not supported in Projection Views yet

SD_CDS_PROJECTION013 - Overview

• Message type: E = Error

• Message class: SD_CDS_PROJECTION - Message for Projection Entities

• Message number: 013

• Message text: Definition of new Associations is not supported in Projection Views yet

Self-Explanatory Message

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SD_CDS_PROJECTION013 - Details

• The error message SD_CDS_PROJECTION013 in SAP indicates that there is an attempt to define new associations in a projection view, which is not supported. This typically occurs when working with Core Data Services (CDS) views in the SAP S/4HANA environment, particularly when trying to create or modify projection views.
  
  Cause:
  The primary cause of this error is that projection views in CDS are designed to be lightweight and are intended to project a subset of fields from a data source without introducing new associations. In other words, projection views can only reference existing associations from the underlying data sources but cannot create new ones.
  
  Solution:
  To resolve this error, consider the following approaches:
  
  
  Use a Different Type of CDS View: If you need to create new associations, consider using a different type of CDS view, such as a join view or a composite view. These types of views allow for more complex data modeling, including