How To Fix CH145 - Change number '&' is not allowed for classification

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 145

• Message text: Change number '&' is not allowed for classification

What causes this issue?

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

System Response

How to fix this error?

Process the indicator in the change master record for the object types.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CH145 - Change number '&' is not allowed for classification ?

  The SAP error message CH145, which states "Change number '&' is not allowed for classification," typically occurs when there is an attempt to use a change number that is not valid for a classification change in the SAP system. This error is often related to the configuration of change management in SAP, particularly in the context of Engineering Change Management (ECM) or Product Lifecycle Management (PLM).
  Causes:
  
  Invalid Change Number: The change number you are trying to use may not be valid or may not exist in the system.
  Change Number Status: The change number might be in a status that does not allow it to be used for classification changes (e.g., it may be closed or not released).
  Authorization Issues: The user may not have the necessary authorizations to use the specified change number.
  Configuration Settings: The system configuration may restrict the use of certain change numbers for classification purposes.
  
  Solutions:
  
  Verify Change Number: Check if the change number you are using is correct and exists in the system. You can do this by navigating to the change number in the relevant transaction (e.g., transaction CC01 or CC02).
  Check Change Number Status: Ensure that the change number is in an appropriate status that allows it to be used for classification changes. If it is not, you may need to change its status or use a different change number.
  Review Authorizations: Ensure that you have the necessary authorizations to use the change number. You may need to consult with your SAP security team to verify your permissions.
  Consult Configuration Settings: If you have access to the configuration settings, check if there are any restrictions in place regarding the use of change numbers for classification. This may involve consulting with your SAP Basis or configuration team.
  Use a Different Change Number: If the current change number cannot be used, consider using a different change number that is valid for the classification change you are trying to perform.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CC01 (Create Change Number), CC02 (Change Change Number), and CC03 (Display Change Number) to manage change numbers effectively.
  Documentation: Refer to SAP documentation or help files for detailed information on change management and classification processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to this error message.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.