How To Fix CO_MES_INT025 - Serial number &2 already assigned to order &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 025

• Message text: Serial number &2 already assigned to order &1

What causes this issue?

The serial number &V2& is to be distributed to a manufacturing execution
system (MES) with the current production order. However, it is already
assigned to production order &V1&. As a rule, a certain serial number
may only be distributed to an MES once.

System Response

The system issues a warning if production order &V1& is not relevant for
distribution to an MES.
However, if production order &V1& is also relevant for distribution to
an MES or has already been distributed there, the serial number &V2&
cannot simply be assigned to the current order. Depending on the system
setting, the system issues a warning or an error message.

How to fix this error?

Choose another serial number.

Procedure for System Administrators

You can define the scope of check for serial numbers in MES-relevant
production orders in the <DS:SIMG.TCOSERNRCHECK>Implementation Guide</>.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT025 - Serial number &2 already assigned to order &1 ?

  The SAP error message CO_MES_INT025 indicates that a serial number has already been assigned to a specific order. This error typically arises in the context of production orders, where serial numbers are used to uniquely identify individual items produced.
  Cause:
  The error occurs when:
  
  You attempt to assign a serial number that is already linked to another production order.
  There may be a mistake in the serial number assignment process, such as trying to reassign a serial number that is still in use or has not been properly cleared from the previous order.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Serial Number Assignment:
  
  Verify the serial number in question (&2) and the order number (&1) to confirm that the serial number is indeed assigned to another order.
  Use transaction codes like IQ01 (Create Serial Number) or IQ02 (Change Serial Number) to check the status of the serial number.
  
  
  
  Reassign or Release Serial Number:
  
  If the serial number is incorrectly assigned, you may need to unassign it from the previous order or release it if it is still in use.
  Ensure that the serial number is not in a status that prevents it from being reassigned.
  
  
  
  Use Unique Serial Numbers:
  
  Ensure that each serial number is unique and not reused across different orders unless the business process allows for it.
  
  
  
  Consult Documentation:
  
  Review the relevant SAP documentation or consult with your SAP support team for specific procedures related to serial number management in your organization.
  
  
  
  Check Customizations:
  
  If your SAP system has custom developments or enhancements, check if any custom logic is affecting the serial number assignment process.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to serial number management, such as IQ01, IQ02, IQ03 (Display Serial Number), and CO02 (Change Production Order).
  SAP Notes: Look for SAP Notes related to this error message for any patches or updates that may address known issues.
  User Authorization: Ensure that you have the necessary authorizations to assign or change serial numbers in the system.
  
  By following these steps, you should be able to identify the root cause of the error and take appropriate action to resolve it.