How To Fix SD_CDS_PROJECTION011 - Path Expressions are not supported in Projection View Where-Condition

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_CDS_PROJECTION - Message for Projection Entities

• Message number: 011

• Message text: Path Expressions are not supported in Projection View Where-Condition

Self-Explanatory Message

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• What is the cause and solution for SAP error message SD_CDS_PROJECTION011 - Path Expressions are not supported in Projection View Where-Condition ?

  The SAP error message SD_CDS_PROJECTION011 indicates that there is an issue with the use of path expressions in a projection view's WHERE condition within a Core Data Services (CDS) view. This error typically arises when you attempt to filter data using a path expression that is not supported in the context of a projection view.
  Cause:
  The error occurs because projection views in CDS are designed to provide a simplified view of the data by selecting specific fields from the underlying data model. However, they do not support complex expressions or path expressions in their WHERE clause. Path expressions are typically used to navigate relationships between entities, but projection views are limited to direct field references.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the WHERE Clause: Check the WHERE condition in your projection view. Ensure that you are not using any path expressions. Instead, use direct field references.
  
  
  Use a Join or Association: If you need to filter based on related entities, consider creating a join or using an association in a different type of CDS view (like a basic view) that allows for more complex logic.
  
  
  Refactor the View: If the projection view is not suitable for your requirements, consider refactoring your CDS view to a different type that supports the necessary logic.
  
  
  Check Documentation: Refer to the SAP documentation for Core Data Services to understand the limitations and capabilities of projection views.
  
  
  Testing: After making changes, test the CDS view to ensure that it behaves as expected and that the error is resolved.
  
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantic data models in SAP. They allow for the definition of views on database tables with support for complex queries.
  Projection Views: These are a specific type of CDS view that allows you to select specific fields from a data source without the ability to perform complex filtering or joins.
  Path Expressions: These are used in CDS to navigate relationships between entities, but they are not supported in projection views.
  
  By following these steps and understanding the limitations of projection views, you should be able to resolve the error and create a functional CDS view.