How To Fix CL743 - Assignment of class "&" to class "&" was not deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 743

• Message text: Assignment of class "&" to class "&" was not deleted

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 CL743 - Assignment of class "&" to class "&" was not deleted ?

  The SAP error message CL743 indicates that there was an attempt to delete an assignment of one class to another class in the Class Builder (transaction code CL02), but the deletion was not successful. This can occur for several reasons, and understanding the cause is essential for finding a solution.
  Cause:
  
  
  Existing Dependencies: The class you are trying to delete may have existing dependencies or references in other classes or objects. If other classes are dependent on the class you are trying to delete, SAP will not allow the deletion to maintain data integrity.
  
  
  Authorization Issues: The user may not have the necessary authorizations to delete the assignment. This can happen if the user lacks the required roles or permissions in the SAP system.
  
  
  System Lock: There may be a system lock on the class or its assignments due to ongoing processes or transactions that are using the class.
  
  
  Technical Issues: There could be technical issues or inconsistencies in the system that prevent the deletion from being processed correctly.
  
  
  Solution:
  
  
  Check Dependencies: Use transaction code CL03 to check for any dependencies or references to the class you are trying to delete. If there are dependent classes or objects, you will need to remove those dependencies first.
  
  
  Review Authorizations: Ensure that the user attempting to delete the assignment has the necessary authorizations. You may need to consult with your SAP security team to verify and adjust the user's roles.
  
  
  Release Locks: If there are locks on the class, you can check for active sessions using transaction code SM12. If you find any locks that are preventing the deletion, you may need to release them, but be cautious and ensure that it is safe to do so.
  
  
  Check for Technical Issues: If the above steps do not resolve the issue, consider checking for any technical issues in the system. This may involve reviewing system logs (transaction code SLG1) or consulting with your SAP Basis team for further investigation.
  
  
  Use Transaction CL02: If you have resolved any dependencies or authorization issues, try to delete the assignment again using transaction CL02.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CL02: Change Class
  CL03: Display Class
  SM12: Display and Delete Locks
  SLG1: Application Log
  
  
  
  Documentation: Refer to SAP Help documentation for Class Management for more detailed information on class assignments and dependencies.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.