How To Fix DDLS464 - View must not be extended: extends are not allowed

DDLS464 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 464

• Message text: View must not be extended: extends are not allowed

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.

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DDLS464 - Details

• The SAP error message DDLS464 indicates that you are trying to extend a database view in a way that is not permitted. This typically occurs when you attempt to modify a view that has been defined in a way that does not allow for extensions. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  View Definition: The view you are trying to extend is defined in such a way that it does not allow extensions. This could be due to the use of certain SQL constructs or the way the view is structured.
  System Restrictions: Some views are system-defined or are part of standard SAP applications, and SAP restricts modifications to these views to maintain data integrity and consistency.
  Database Constraints: The underlying database may have constraints that prevent the extension of the view.
  
  Solution
  
  Check View Definition: Review the definition of the view to understand why it cannot be extended. Look for