How To Fix CX255 - You can only change the table line with a change number

CX255 - Overview

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 255

• Message text: You can only change the table line with a change number

What causes this issue?

You want to change a table line without a change number.

System Response

The system checks whether you need a change number to change the table
line. Once a line has been processed using a change number, you must
enter a change number for all further changes to the line.

How to fix this error?

Enter the change number you require.

Error message extract from SAP system. Copyright SAP SE.

CX255 - Details

• The SAP error message CX255, "You can only change the table line with a change number," typically occurs in the context of working with change management in SAP, particularly when dealing with change numbers in the context of configuration or engineering change management.
  
  Cause:
  This error arises when you attempt to modify a line in a table (such as a BOM, routing, or other master data) that is associated with a change number, but the system is configured to only allow changes to be made when a valid change number is specified. This is a safeguard to ensure that changes are tracked and managed properly, especially in environments where strict change control is necessary.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Change Number: Ensure that you have a valid change number assigned to the change you are trying to make. If you do not have a change number, you will need