How To Fix SDDL_PARSER_MSG420 - Extend on projection view not supported

SDDL_PARSER_MSG420 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 420

• Message text: Extend on projection view not supported

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 SDDL_PARSER_MSG420 - Extend on projection view not supported ?

  The SAP error message SDDL_PARSER_MSG420 indicates that there is an issue with extending a projection view in the SAP system. This error typically arises when you attempt to extend a projection view that does not support extensions. Projection views are a specific type of view in SAP that are designed to provide a simplified representation of data, and they have certain limitations regarding modifications and extensions.
  
  Cause:
  The primary cause of this error is that the projection view you are trying to extend is not designed to allow extensions. In SAP, projection views are often used for performance optimization and data abstraction, and as such, they may have restrictions on how they can be modified or extended.
  
  Solution:
  To resolve this error, consider the following approaches:
  
  
  Check View Type: Verify if the view you are trying to extend is indeed a projection view. If it is, you will not be able to extend it. You