How To Fix QF154 - You can no longer change the object list for the serial number

SAP Error Message - Details

• Message type: E = Error

• Message class: QF - Defects Recording

• Message number: 154

• Message text: You can no longer change the object list for the serial number

What causes this issue?

Defect items have already been created for the inspection lot. The
object list for the serial numbers can no longer be changed for the
inspection lot because of data consistency.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QF154 - You can no longer change the object list for the serial number ?

  The SAP error message QF154, "You can no longer change the object list for the serial number," typically occurs in the context of handling serial numbers in SAP, particularly when dealing with equipment or materials that have been assigned a serial number. This error indicates that the system has reached a point where modifications to the object list associated with a specific serial number are no longer permitted.
  Cause:
  
  Status of the Serial Number: The serial number may have reached a status where it is locked for changes. This can happen if the serial number has been used in a transaction that finalizes its status (e.g., delivery, billing, or production).
  Document Flow: If the serial number is linked to a document that has been completed or posted, changes to the object list may be restricted.
  Configuration Settings: Certain configuration settings in the SAP system may restrict changes to serial numbers after specific transactions have been executed.
  
  Solution:
  
  Check Serial Number Status: Review the status of the serial number in question. You can do this by navigating to the relevant transaction (e.g., IQ03 for displaying equipment) and checking the status and history of the serial number.
  Review Document Flow: Investigate if there are any open or completed documents associated with the serial number. If the serial number is linked to a completed transaction, you may need to reverse or adjust that transaction before making changes.
  Consult with SAP Support: If you are unable to determine the cause or resolve the issue, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  Configuration Review: If you have access to system configuration, review the settings related to serial number management to ensure they align with your business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IQ01 (Create Serial Number), IQ02 (Change Serial Number), and IQ03 (Display Serial Number).
  SAP Documentation: Refer to SAP Help documentation for detailed information on serial number management and the implications of different statuses.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to serial numbers and their associated object lists.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.