How To Fix SDDL_PARSER_MSG442 - Redirected To not allowed in extends for non-projection view

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 442

• Message text: Redirected To not allowed in extends for non-projection view

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG442 - Redirected To not allowed in extends for non-projection view ?

  The SAP error message SDDL_PARSER_MSG442 with the description "Redirected To not allowed in extends for non-projection view" typically occurs in the context of SAP's data modeling and service definition, particularly when working with Core Data Services (CDS) views.
  Cause:
  This error arises when you attempt to use the REDIRECTED TO clause in a CDS view that is not a projection view. In SAP, a projection view is a type of view that is designed to expose a subset of fields from a base view or table. The REDIRECTED TO clause is used to specify a different entity or view that should be used for certain operations, but it is only valid in the context of projection views.
  Solution:
  To resolve this error, you should check the following:
  
  
  Review the View Definition: Ensure that the view you are trying to extend is indeed a projection view. If it is not, you will need to either:
  
  Change the view to be a projection view if that aligns with your requirements.
  Remove the REDIRECTED TO clause if it is not applicable.
  
  
  
  Modify the CDS View: If you need to keep the REDIRECTED TO clause, you may need to create a new projection view that extends the original view and includes the REDIRECTED TO clause.
  
  
  Check Documentation: Refer to the SAP documentation for Core Data Services to understand the correct usage of REDIRECTED TO and the requirements for projection views.
  
  
  Related Information:
  
  Projection Views: These are views that only expose a subset of fields from a base table or view. They are often used to simplify data access and improve performance.
  CDS Views: Core Data Services (CDS) are a way to define semantically rich data models in SAP. They allow for the definition of views that can be consumed by various applications.
  SAP Notes and Community: If you continue to face issues, consider checking SAP Notes or the SAP Community for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the error and correctly implement your CDS views.