How To Fix DDLS133 - View &: '$extension' for base view & not prepared

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 133

• Message text: View &: '$extension' for base view & not prepared

What causes this issue?

For a view, the columns of all tables, appends, and CI/SI includes -
that is, of all enhancement fields - should be included. However, this
is only possible if the base view used contains all the enhancement
fields. In this particular case, this is not so for at least the found
table.

System Response

The view is inconsistent and cannot be activated.

How to fix this error?

Enhance the base view used or remove the specification for inclusion of
the enhancement fields from the processed view.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS133 - View &: '$extension' for base view & not prepared ?

  The SAP error message DDLS133 indicates that there is an issue with a database view in the Data Dictionary. Specifically, it states that the view is not prepared for a certain base view. This can occur for various reasons, and understanding the cause and finding a solution is essential for resolving the issue.
  Cause:
  
  View Not Activated: The base view or the extension view may not be activated. In SAP, views need to be activated to be usable.
  Changes in Base View: If there have been changes made to the base view after the extension view was created, the extension view may need to be re-prepared or re-activated.
  Inconsistent Data Dictionary: There may be inconsistencies in the Data Dictionary, possibly due to transport issues or manual changes.
  Missing Dependencies: The base view may have dependencies that are not met, such as missing tables or fields.
  
  Solution:
  
  Activate the Base View: Go to the Data Dictionary (transaction SE11) and check if the base view is activated. If not, activate it.
  Re-activate the Extension View: If the base view is activated, try re-activating the extension view. This can be done in SE11 as well.
  Check for Changes: If there have been changes to the base view, ensure that all dependent views are also activated. You may need to check the change logs or documentation to understand what changes were made.
  Consistency Check: Use transaction SE14 (Database Utility) to check for inconsistencies in the Data Dictionary. This can help identify any issues that need to be resolved.
  Transport Issues: If the issue arose after a transport, ensure that all necessary objects were transported correctly and that there are no missing dependencies.
  Check for Missing Objects: Verify that all tables and fields referenced in the base view exist and are correctly defined.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE14: Database Utility
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific error message or the views in question.
  Documentation: Review SAP documentation on database views and Data Dictionary management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.