How To Fix CH125 - External change number assignment not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 125

• Message text: External change number assignment not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CH125 - External change number assignment not allowed ?

  The SAP error message CH125 ("External change number assignment not allowed") typically occurs in the context of change management within SAP, particularly when dealing with change numbers in the Change Management (CH) module. This error indicates that the system is preventing the assignment of an external change number due to certain restrictions or settings.
  Cause:
  
  Change Number Configuration: The system may be configured to disallow external change number assignments. This can happen if the change number is set to be internally generated only.
  Authorization Issues: The user may not have the necessary authorizations to assign external change numbers.
  Status of Change Number: The change number may be in a status that does not allow for external assignments (e.g., it may be locked or already used).
  Project Settings: The project or configuration settings may restrict the use of external change numbers.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for change numbers in the SAP system. Ensure that the settings allow for external change number assignments if that is the intended behavior.
  
  Navigate to the relevant configuration settings in SPRO (SAP Project Reference Object) under the Change Management section.
  
  
  
  User Authorizations: Verify that the user attempting to assign the external change number has the necessary authorizations. This can be checked in transaction SU53 or by consulting with your SAP security team.
  
  
  Change Number Status: Check the status of the change number you are trying to assign. If it is locked or in a status that does not allow changes, you may need to unlock it or change its status.
  
  
  Use Internal Change Numbers: If external change numbers are not allowed, consider using internal change numbers for your changes.
  
  
  Consult Documentation: Review SAP documentation or help resources for specific details on the configuration and usage of change numbers in your version of SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CC01: Create Change Number
  CC02: Change Change Number
  CC03: Display Change Number
  
  
  Change Management Process: Understanding the overall change management process in SAP can help in troubleshooting issues related to change numbers.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  By following these steps, you should be able to identify the cause of the CH125 error and implement a suitable solution.