How To Fix CL742 - Assignment of class "&" to class "&" deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 742

• Message text: Assignment of class "&" to class "&" deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL742 - Assignment of class "&" to class "&" deleted ?

  The SAP error message CL742 "Assignment of class '&' to class '&' deleted" typically occurs in the context of class hierarchies in the ABAP Object-Oriented programming environment. This error indicates that there was an attempt to assign a subclass to a superclass, but the assignment was deleted or invalidated.
  Cause:
  
  Invalid Class Assignment: The class assignment may have been deleted or invalidated due to changes in the class hierarchy, such as the deletion of the superclass or changes in the visibility of the classes.
  Transport Issues: If the classes were transported from one system to another, there might be inconsistencies in the class definitions between the systems.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or modify the class assignments.
  System Errors: There could be underlying system errors or inconsistencies in the SAP system that lead to this message.
  
  Solution:
  
  Check Class Hierarchy: Review the class hierarchy in the Class Builder (transaction code SE24) to ensure that the superclass and subclass are correctly defined and that the assignment is valid.
  Recreate Assignment: If the assignment was deleted, you may need to recreate it. Ensure that the superclass exists and is correctly defined before attempting to reassign the subclass.
  Transport Consistency: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were transported correctly. You may need to re-transport the classes or related objects.
  Authorization Check: Verify that you have the necessary authorizations to view and modify the classes. You may need to consult with your SAP security team.
  System Check: If the problem persists, consider running a consistency check on the system or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Use SE24 (Class Builder) to manage class definitions and assignments.
  Documentation: Refer to SAP Help documentation for Object-Oriented programming in ABAP for more details on class definitions and hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.