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

SAP Error Message - Details

• 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 the configuration settings (transaction code SPRO).
  Navigate to: Logistics > Production > Engineering Change Management > Basic Settings > Activate Engineering Change Management.
  
  
  
  Check Change Number:
  
  Verify that the change number you are trying to use is valid and exists in the system. You can check this in the change number management area (transaction code CC01 or CC02).
  
  
  
  Review Material Type Settings:
  
  Check the configuration for the material type associated with the change number to ensure it is set up to allow for Engineering Change Management.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to Engineering Change Management for additional guidance on setup and configuration.
  
  
  
  User Authorization:
  
  Ensure that the user has the necessary authorizations to access and use Engineering Change Management functionalities.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CC01: Create Change Number
  CC02: Change Change Number
  CC03: Display Change Number
  SPRO: Access to the SAP Customizing Implementation Guide for configuration.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to Engineering Change Management.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  By following these steps, you should be able to resolve the CL184 error and successfully manage your engineering changes in SAP.