How To Fix CL674 - Class/object assignments with engineering change mgmt already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 674

• Message text: Class/object assignments with engineering change mgmt already exist

What causes this issue?

There is at least one class for this object type where an object has
been classified using a change number. While such allocations exist,
you cannot delete the <ZH>Engineering change management</> indicator.

System Response

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL674 - Class/object assignments with engineering change mgmt already exist ?

  The SAP error message CL674 indicates that there are existing class/object assignments that are already linked to engineering change management (ECM) in the system. This typically occurs when you attempt to create or modify class/object assignments in a way that conflicts with existing assignments that are already managed under ECM.
  Cause:
  
  Existing Assignments: The class or object you are trying to assign already has assignments that are being managed by ECM.
  Change Management Settings: The settings for engineering change management may be preventing changes to the class/object assignments.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not conflict with existing configurations.
  
  Solution:
  
  Check Existing Assignments: Review the existing class/object assignments to see if they are indeed linked to ECM. You can do this by navigating to the relevant class or object in the SAP system and checking its assignments.
  Modify or Delete Existing Assignments: If you need to make changes, you may need to first modify or delete the existing assignments that are causing the conflict. Ensure that you have the necessary authorizations to do this.
  Review ECM Settings: Check the settings for engineering change management in your SAP system. Ensure that the settings allow for the changes you are trying to make.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing class/object assignments and ECM.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration.
  
  Related Information:
  
  Engineering Change Management (ECM): This is a process in SAP that helps manage changes to products and processes, ensuring that all changes are documented and controlled.
  Class/Object Assignments: In SAP, classes are used to categorize objects, and assignments are the links between classes and the objects they categorize.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02 (Change Class) or CL03 (Display Class) to manage class assignments effectively.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.