How To Fix SDDL_PARSER_MSG122 - The view & cannot be extended

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 122

• Message text: The view & cannot be extended

What causes this issue?

CDS Views with the annotation
@ABAPCATALOG.VIEWENHANCEMENTCATEGORY : #NONE
must not be enhanced.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG122 - The view & cannot be extended ?

  The SAP error message SDDL_PARSER_MSG122 indicates that a specific view cannot be extended. This error typically arises in the context of SAP's data modeling and view extension processes, particularly when working with Core Data Services (CDS) views or database views.
  Causes:
  
  View Type: The view you are trying to extend may not be designed to support extensions. For example, certain standard views or database views may have restrictions on extensions.
  Technical Settings: The technical settings of the view may not allow for extensions. This can include settings related to the view's definition or its underlying database structure.
  Authorization Issues: The user attempting to extend the view may not have the necessary authorizations to perform this action.
  Incompatibility: The fields or structures you are trying to add may not be compatible with the existing view structure.
  SAP Version: The version of SAP you are using may have specific limitations or bugs related to view extensions.
  
  Solutions:
  
  Check View Type: Verify if the view you are trying to extend is indeed extendable. Consult the documentation or SAP notes related to the specific view.
  Review Technical Settings: Look into the technical settings of the view in the ABAP Dictionary (transaction SE11) to ensure that it is configured to allow extensions.
  Authorization Check: Ensure that the user has the necessary authorizations to extend views. This may involve checking roles and permissions in the user profile.
  Compatibility Check: Review the fields or structures you are trying to add to ensure they are compatible with the existing view. You may need to adjust your extension accordingly.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this issue. Sometimes, there are known issues or patches that can resolve the problem.
  Consult Documentation: Refer to the official SAP documentation for guidance on extending views, as it may provide specific instructions or limitations.
  
  Related Information:
  
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Help Portal: The SAP Help Portal contains extensive documentation on CDS views and their extension capabilities.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) for troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.