How To Fix CL186 - Deletion of class is not allowed because of assignment with ECM

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 186

• Message text: Deletion of class is not allowed because of assignment with ECM

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL186 - Deletion of class is not allowed because of assignment with ECM ?

  The SAP error message CL186 indicates that you are trying to delete a class that is currently assigned to an Enterprise Component Model (ECM). This restriction is in place to maintain the integrity of the system, as classes that are part of an ECM may be referenced in various places, and deleting them could lead to inconsistencies or errors in the application.
  Cause:
  The primary cause of this error is that the class you are attempting to delete is still being used or referenced within an ECM. This could be due to:
  
  The class being part of a package that is assigned to an ECM.
  The class being used in other objects or components that are part of the ECM.
  
  Solution:
  To resolve this error, you need to ensure that the class is no longer associated with the ECM. Here are the steps you can take:
  
  
  Check Assignments: 
  
  Use transaction code SE80 (Object Navigator) or SE11 (Data Dictionary) to check where the class is being used. Look for any references to the class in the ECM.
  
  
  
  Remove Assignments:
  
  If the class is assigned to an ECM, you will need to remove it from the ECM. This may involve:
  
  Modifying the ECM to exclude the class.
  Deleting or modifying any dependent objects that reference the class.
  
  
  
  
  
  Delete the Class:
  
  Once you have ensured that the class is no longer associated with the ECM, you can attempt to delete the class again using transaction code SE24 (Class Builder).
  
  
  
  Check for Dependencies:
  
  Ensure that there are no other dependencies or references to the class in other parts of the system that could prevent deletion.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for more details on class management and ECM.
  Transport Requests: If the class is part of a transport request, ensure that the transport is not in a state that would prevent deletion.
  System Integrity: Always consider the impact of deleting classes on system integrity and functionality. It may be beneficial to consult with your development team or SAP Basis team before proceeding with deletions.
  
  By following these steps, you should be able to resolve the CL186 error and successfully delete the class if it is no longer needed.