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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CX255 - You can only change the table line with a change number ?

  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