How To Fix IO234 - Serial number has been changed from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 234

• Message text: Serial number has been changed from &1 to &2

What causes this issue?

Since the original document was created, the master data transaction
was probably use to change the serial number from &V1& to &V2&.

System Response

INCLUDE NO PROCESSING OBJECT DOCU ID TX LANGUAGE EN

How to fix this error?

You have the following options for correcting the error:
Use the master data transaction to undo the change to the serial
number.
Perform the desired action again.
Change the serial number from &V1& to &V2& again.

Procedure for System Administrators

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 IO234 - Serial number has been changed from &1 to &2 ?

  The SAP error message IO234 indicates that there is a discrepancy in the serial number of a material or equipment. Specifically, it means that the system has detected that the serial number has changed from one value (&1) to another value (&2). This can occur in various scenarios, such as during inventory management, equipment management, or when processing goods movements.
  Cause:
  
  Manual Changes: A user may have manually changed the serial number in the system.
  Data Migration: During data migration or system upgrades, serial numbers may have been incorrectly updated or transformed.
  Incorrect Transactions: Certain transactions may have been executed incorrectly, leading to a mismatch in serial numbers.
  Integration Issues: If there are integrations with other systems (like MES or WMS), discrepancies can arise if the serial numbers are not synchronized properly.
  
  Solution:
  
  Verify Serial Numbers: Check the serial numbers in the system to confirm the correct value. You can do this by using transaction codes like IQ03 (Display Serial Number) or IL03 (Display Equipment).
  Correct the Data: If the serial number has been changed incorrectly, you may need to revert it to the original value. This can often be done through the same transaction where the change was made.
  Review Transaction History: Look at the transaction history to identify when and how the serial number was changed. This can help in understanding the root cause.
  Consult Documentation: If the issue arose during a data migration or system upgrade, consult the migration documentation to ensure that all steps were followed correctly.
  Check for Custom Code: If there are any custom developments or enhancements in your SAP system, review them to ensure they are not causing the issue.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IQ01/IQ02/IQ03 for serial number management and IL01/IL02/IL03 for equipment management.
  Documentation: Review SAP documentation related to serial number management and equipment management for best practices and troubleshooting steps.
  User Roles: Ensure that users have the appropriate roles and authorizations to manage serial numbers to prevent unauthorized changes.
  
  By following these steps, you should be able to identify the cause of the IO234 error and implement a solution to resolve it.