How To Fix SD_CDS_PROJECTION015 - Entity Type of association target &1 is not supported in Projection Views

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_CDS_PROJECTION - Message for Projection Entities

• Message number: 015

• Message text: Entity Type of association target &1 is not supported in Projection Views

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SD_CDS_PROJECTION015 - Entity Type of association target &1 is not supported in Projection Views ?

  The SAP error message SD_CDS_PROJECTION015 indicates that there is an issue with the entity type of an association target in a projection view within the SAP system. This error typically arises when you are trying to create or use a projection view that references an entity type that is not supported for projection views.
  Cause:
  
  Unsupported Entity Type: The entity type referenced in the projection view is not compatible with the projection view's requirements. This can happen if the entity type is not designed to be used in a projection context.
  Association Issues: The association target may involve complex types or relationships that cannot be represented in a projection view.
  Modeling Errors: There may be errors in the way the data model is defined, such as incorrect associations or entity types that do not align with the projection view's capabilities.
  
  Solution:
  
  Check Entity Types: Review the entity types involved in the projection view. Ensure that they are compatible and supported for use in projection views.
  Modify Associations: If the association target is causing the issue, consider modifying the associations in your data model. You may need to create a simpler association or use a different entity type that is supported.
  Use Alternative Views: If the entity type cannot be used in a projection view, consider using other types of views (e.g., analytical views or basic views) that can accommodate the entity type.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the limitations and requirements for projection views.
  Debugging: If you have access to the development environment, you can debug the projection view to identify the exact point of failure and gather more information about the unsupported entity type.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on projection views.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation related to Core Data Services (CDS) and projection views to better understand their design and limitations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.