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

CH145 - Overview

• 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