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

SAP Error Message - Details

• 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 by navigating to the appropriate menu or using a specific command to turn off the COPY function.
  Check Line Command Usage: Ensure that you are using the correct line command for the action you want to perform. Refer to the SAP documentation or help files for the specific transaction or report you are working with.
  User Role and Permissions: If you suspect that your user role may be causing the issue, consult with your SAP administrator to ensure you have the necessary permissions to use the line commands you need.
  Consult Documentation: Review the SAP documentation or help resources related to the specific transaction or report to understand the correct usage of line commands.
  
  Related Information:
  
  SAP GUI: Familiarize yourself with the SAP GUI interface and how line commands work within it.
  Transaction Codes: If you are using a specific transaction code, check if there are any known issues or specific instructions related to that transaction.
  SAP Notes: Search for SAP Notes related to the error message for any patches or updates that may address the issue.
  Community Forums: Consider checking SAP community forums or support channels for similar issues and solutions shared by other users.
  
  If the problem persists after trying these solutions, it may be beneficial to reach out to your SAP support team for further assistance.