How To Fix CL159 - Class type &: & & is in use; note the change to the status

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 159

• Message text: Class type &: & & is in use; note the change to the status

What causes this issue?

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

System Response

Any status change can cause inconsistencies.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

<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 CL159 - Class type &: & & is in use; note the change to the status ?

  The SAP error message CL159 indicates that a class type (in this case, a class or interface) is currently in use, and therefore, you cannot make changes to its status. This typically occurs when you attempt to modify a class or interface that is being referenced or used in other parts of the system, such as in programs, function modules, or other classes.
  Cause:
  
  Active Usage: The class or interface is actively being used in the system, which prevents changes to its status.
  Dependencies: There may be dependencies on the class or interface that need to be resolved before changes can be made.
  Transport Requests: If the class is part of a transport request that is currently being processed, it may be locked for changes.
  
  Solution:
  
  Check Usage: Identify where the class or interface is being used. You can use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to find references to the class.
  Deactivate References: If possible, deactivate or remove the references to the class or interface in the programs or other objects that are using it.
  Change Status: Once you have ensured that the class or interface is not in use, you can change its status. This may involve changing it from "active" to "inactive" or making other modifications as needed.
  Transport Management: If the class is part of a transport request, ensure that the transport is completed or released before making changes.
  Lock Management: Check for any locks on the object using transaction SM12 (Display and Delete Locks) and release them if necessary.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE11 (Data Dictionary), SE37 (Function Modules), and SE24 (Class Builder) for navigating and managing classes and interfaces.
  Documentation: Review SAP documentation or help files for more detailed information on class and interface management.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the specific error message CL159.
  
  By following these steps, you should be able to resolve the error and successfully change the status of the class or interface in question.