How To Fix P0451 - Line command '&' is only for deactivated COPY function

P0451 - Overview

• Message type: E = Error

• Message class: P0 - Messages for Transactions PE01, PE02 and PE03

• Message number: 451

• Message text: Line command '&' is only for deactivated COPY function

What causes this issue?

You are trying to reverse deletion of a subschema. There can be various
reasons for this error message:
The line command should only be used with the COPY function.
The line with the COPY function is active.
This means that this subschema has not been deleted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message P0451 - Line command '&' is only for deactivated COPY function ?

  The SAP error message "P0451 Line command '&' is only for deactivated COPY function" typically occurs in the context of using the SAP GUI, particularly when working with lists or reports that allow for line commands. This error indicates that you are trying to use a line command (like '&') that is only applicable when the COPY function is deactivated.
  
  Cause:
  
  Line Command Misuse: The line command you are trying to use is not valid in the current context. The '&' command is specifically meant for situations where the COPY function is not active.
  COPY Function Active: If the COPY function is active, certain line commands may be restricted or not applicable, leading to this error.
  User Permissions: Sometimes, user roles and permissions can restrict the use of certain commands or functions.
  
  
  Solution:
  
  Deactivate COPY Function: If you are in a situation where the COPY function is active, try deactivating it. This can usually be done