How To Fix PSB_API_MSGCL003 - Change number "&1" does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: PSB_API_MSGCL -

• Message number: 003

• Message text: Change number "&1" does not exist

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 PSB_API_MSGCL003 - Change number "&1" does not exist ?

  The SAP error message PSB_API_MSGCL003 indicates that a change number specified in a transaction or API call does not exist in the system. This error typically occurs in the context of change management, particularly when working with change numbers in SAP's Project System (PS) or related modules.
  Cause:
  
  Non-existent Change Number: The change number you are trying to use has not been created or does not exist in the system.
  Incorrect Input: There may be a typo or formatting issue in the change number you are entering.
  Authorization Issues: The user may not have the necessary authorizations to view or access the change number.
  Data Deletion: The change number may have been deleted or archived, making it unavailable for current transactions.
  
  Solution:
  
  Verify Change Number: Check the change number you are using for any typos or formatting errors. Ensure that it is entered correctly.
  Check Existence: Use transaction codes like CN01 (Change Number Management) or CN02 to search for the change number in the system to confirm its existence.
  Create Change Number: If the change number does not exist, you may need to create it using the appropriate transaction (e.g., CN01).
  Authorization Check: Ensure that you have the necessary authorizations to access the change number. You may need to contact your SAP security team if you suspect authorization issues.
  Consult Documentation: Review any relevant documentation or guidelines related to change management in your organization to ensure compliance with processes.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN01, CN02, and CN03 for managing change numbers.
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  User Roles: Review user roles and authorizations related to change management to ensure proper access.
  Documentation: Refer to SAP documentation on change management processes for best practices and troubleshooting steps.
  
  By following these steps, you should be able to resolve the error message and successfully work with change numbers in SAP.