How To Fix CL184 - No Engineering Change Management: change number "&" ignored

CL184 - Overview

• Message type: E = Error

• Message class: CL - Classification

• Message number: 184

• Message text: No Engineering Change Management: change number "&" ignored

What causes this issue?

The class type does not allow Engineering Change Management.

System Response

The change number that was transferred to the classification is
ignored. The classification is processed with today's date.

How to fix this error?

You can activate Engineering Change Management for the class type in
<DS:TRAN.O1CL>Customizing for the Classification System</>.
Important: once an object has been classified with a change number, you
can only work with a change number subesequently.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL184 - No Engineering Change Management: change number "&" ignored ?

  The SAP error message CL184 ("No Engineering Change Management: change number '&' ignored") typically occurs in the context of Engineering Change Management (ECM) within SAP. This error indicates that the system is unable to process a specific change number because Engineering Change Management is not activated or configured for the relevant material or object.
  
  Cause:
  
  ECM Not Activated: The Engineering Change Management functionality may not be activated in the system for the relevant material type or plant.
  Change Number Not Valid: The change number referenced may not be valid or may not exist in the system.
  
  Configuration Issues: There may be configuration issues in the ECM settings that prevent the change number from being recognized.
  Material Type Restrictions: The material type associated with the change number may not be set up to use Engineering Change Management.
  
  
  Solution:
  
  
  Activate Engineering Change Management:
  
  Ensure that Engineering Change Management is activated for the relevant material type. This can be done in