How To Fix FDT_CORE266 - &1 not changeable applications have been excluded from processing

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 266

• Message text: &1 not changeable applications have been excluded from processing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE266 - &1 not changeable applications have been excluded from processing ?

  The SAP error message FDT_CORE266 indicates that certain applications are not changeable and have been excluded from processing. This error typically arises in the context of SAP Fiori or SAP UI5 applications, particularly when working with the Fiori Design Time (FDT) or when trying to modify or enhance certain applications.
  Cause:
  
  Non-Changeable Applications: The error occurs when you attempt to modify or enhance an application that is marked as non-changeable. This could be due to the application being part of a standard SAP package that does not allow modifications.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to make changes to the application.
  Technical Restrictions: Certain applications may have technical restrictions that prevent them from being modified, such as being locked for changes due to ongoing development or maintenance.
  
  Solution:
  
  Check Application Status: Verify if the application you are trying to modify is indeed marked as non-changeable. You can do this by checking the application’s properties in the Fiori Launchpad or the relevant development environment.
  Use Customization Options: If the application is non-changeable, consider using customization options provided by SAP, such as:
  
  Enhancement Framework: Use the SAP enhancement framework to add custom logic without modifying the standard application.
  Key User Extensibility: If you are a key user, you may have access to certain extensibility options that allow you to make changes without altering the core application.
  
  
  Check Authorizations: Ensure that you have the necessary authorizations to make changes. Consult with your SAP security team if you suspect authorization issues.
  Consult Documentation: Refer to the official SAP documentation for the specific application to understand its extensibility options and limitations.
  Contact SAP Support: If you believe the application should be changeable or if you encounter persistent issues, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on working with non-changeable applications.
  Fiori Design Guidelines: Familiarize yourself with the Fiori design guidelines and best practices for extending and customizing applications.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to address the FDT_CORE266 error and understand the limitations regarding the applications you are working with.