How To Fix CL079 - Class type &: & & is in use and cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 079

• Message text: Class type &: & & is in use and cannot be deleted

What causes this issue?

Class &V3& of class type &V1& is in use in configuration parameters for
variants.

System Response

The system checks where the class has been used, and refuses to delete
the class if the class is linked to other objects.

How to fix this error?

First delete the links, then try to delete the class again.

<DS:REPO.RCCUCL00>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL079 - Class type &: & & is in use and cannot be deleted ?

  The SAP error message CL079 indicates that a class type (usually a class or interface) is currently in use and cannot be deleted. This typically occurs when there are dependencies or references to the class in other parts of the system, such as in other classes, programs, or even in the configuration.
  Cause:
  
  Active References: The class or interface you are trying to delete is being referenced by other objects (e.g., other classes, methods, or programs).
  Inheritance: If the class is a parent class or is being inherited by other classes, it cannot be deleted.
  Usage in Transactions: The class might be used in various transactions or configurations, making it necessary for the system to retain it.
  Locked Objects: Sometimes, the object might be locked by another user or process, preventing deletion.
  
  Solution:
  
  
  Check Dependencies: Use transaction SE80 (Object Navigator) or SE11 (Data Dictionary) to check for any dependencies or references to the class. Look for:
  
  Other classes that inherit from it.
  Programs or function modules that use it.
  Any configuration settings that reference the class.
  
  
  
  Remove References: If you find any references, you will need to remove or modify them before attempting to delete the class again.
  
  
  Check for Locks: Use transaction SM12 to check if there are any locks on the object. If there are locks, you may need to wait for them to be released or contact the user who has locked the object.
  
  
  Use Transaction SE24: If you are trying to delete a class, you can also use transaction SE24 (Class Builder) to check the class's status and see if it is marked for deletion or if there are any issues.
  
  
  Transport Requests: If the class is part of a transport request, ensure that it is not being transported or is not in a state that prevents deletion.
  
  
  Consult Documentation: If you are unsure about the implications of deleting a class, consult your SAP documentation or reach out to your SAP Basis or development team for guidance.
  
  
  Related Information:
  
  Transaction Codes:
  
  SE80: Object Navigator
  SE24: Class Builder
  SE11: Data Dictionary
  SM12: Display and Delete Locks
  
  
  SAP Notes: Check SAP Notes for any specific issues related to the error message CL079, as there may be updates or patches that address similar issues.
  Development Guidelines: Follow best practices for object deletion in SAP to avoid issues with dependencies and system integrity.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.