How To Fix S_UNIFIED_CON453 - Deletion of class fails with &1

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 453

• Message text: Deletion of class fails with &1

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 S_UNIFIED_CON453 - Deletion of class fails with &1 ?

  The SAP error message S_UNIFIED_CON453 indicates that the deletion of a class has failed, and it typically includes a specific reason for the failure, represented by &1. This error can occur for various reasons, such as dependencies on other objects, active references, or issues with the class itself.
  Causes:
  
  Active References: The class you are trying to delete may be referenced by other objects (e.g., methods, interfaces, or other classes).
  Inheritance: If the class is a superclass or is being inherited by other classes, it cannot be deleted until those dependencies are resolved.
  Transport Requests: If the class is part of an active transport request, it may be locked for deletion.
  Authorization Issues: Lack of proper authorizations to delete the class can also lead to this error.
  System Lock: The class might be locked by another user or process.
  
  Solutions:
  
  Check Dependencies: Use transaction SE80 or SE11 to check for any dependencies on the class. Look for references in other classes, methods, or interfaces.
  Remove References: If there are active references, you will need to remove or modify them before attempting to delete the class.
  Check Inheritance: If the class is a parent class, ensure that all child classes are either deleted or modified to remove the inheritance.
  Transport Request: If the class is part of a transport request, you may need to release or delete the transport request before proceeding.
  Authorization Check: Ensure that you have the necessary authorizations to delete the class. You may need to contact your SAP security team for assistance.
  System Lock: Check if the class is locked by another user or process. You can use transaction SM12 to view and manage locks.
  
  Related Information:
  
  Transaction Codes: 
  
  SE80: Object Navigator
  SE11: Data Dictionary
  SE24: Class Builder
  SM12: Display and Delete Locks
  
  
  Documentation: Refer to SAP Help documentation for more details on class management and deletion processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to class deletion.
  
  If you continue to face issues after following these steps, consider reaching out to SAP support for further assistance.