How To Fix SDDL_PARSER_MSG402 - Only CDS view entities are allowed as basis entities for projection views

SDDL_PARSER_MSG402 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 402

• Message text: Only CDS view entities are allowed as basis entities for projection views

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG402 - Only CDS view entities are allowed as basis entities for projection views ?

  The SAP error message SDDL_PARSER_MSG402 indicates that you are trying to create a projection view using a basis entity that is not a Core Data Services (CDS) view. In SAP, projection views are designed to be based on CDS views, which are a specific type of data model that allows for the definition of semantically rich data models in a database-agnostic way.
  
  Cause:
  The error occurs when:
  
  You attempt to create a projection view using a table or a non-CDS view as the basis entity.
  The entity you are trying to use does not meet the requirements of being a CDS view.
  
  
  Solution:
  To resolve this error, you should ensure that the basis entity for your projection view is a valid CDS view. Here are the steps you can take:
  
  
  Check the Basis Entity: Verify that the entity you are using as the basis for your projection view is indeed a CDS view. You can do this