How To Fix CL123 - Assignment & to & & with change number & on same date

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 123

• Message text: Assignment & to & & with change number & on same date

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL123 - Assignment & to & & with change number & on same date ?

  The SAP error message CL123 typically indicates an issue related to the assignment of objects (like materials, documents, or other entities) to a change number on the same date. This error often arises in the context of change management within SAP, particularly when dealing with Engineering Change Management (ECM) or similar functionalities.
  Cause:
  The error message CL123 usually occurs due to one of the following reasons:
  
  Duplicate Assignments: There are multiple assignments of the same object to a change number on the same date, which is not allowed.
  Change Number Restrictions: The system may have restrictions that prevent multiple assignments to a change number on the same date.
  Configuration Issues: There may be configuration settings in the system that enforce specific rules regarding change management and object assignments.
  
  Solution:
  To resolve the CL123 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Review the existing assignments for the change number in question. Ensure that there are no duplicate entries for the same object on the same date.
  
  
  
  Modify Assignments:
  
  If you find duplicate assignments, you may need to modify or delete one of the entries to ensure that each object is only assigned once to the change number on that date.
  
  
  
  Change Date:
  
  If possible, consider changing the date of the assignment to avoid conflicts. This may involve adjusting the change number or the date of the assignment.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to change management in your SAP system. Ensure that the settings align with your business processes and do not impose unnecessary restrictions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on handling change numbers and assignments.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on your specific system configuration and usage.
  
  
  
  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.
  Change Management Process: Understanding the overall change management process in SAP can help you navigate and resolve issues related to change numbers and assignments.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to assignments and change numbers in the system.
  
  By following these steps, you should be able to identify and resolve the issue causing the CL123 error in your SAP system.