How To Fix P0479 - Line command not allowed in display mode

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 479

• Message text: Line command not allowed in display mode

What causes this issue?

You have entered a line commando which could lead to the editor contents
being changed. This command is not permitted, since you are in display
mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message P0479 - Line command not allowed in display mode ?

  The SAP error message "P0479 Line command not allowed in display mode" typically occurs when a user attempts to perform an action that is not permitted in display mode within a transaction or report. This error is common in various SAP modules, especially when dealing with lists or tables where line commands (like editing, deleting, or other actions) are restricted.
  Cause:
  
  Display Mode: The user is currently in display mode, which does not allow for modifications or certain actions that require edit permissions.
  User Permissions: The user may not have the necessary permissions to perform the action they are trying to execute.
  Transaction Settings: The specific transaction or report may be configured to restrict certain actions in display mode.
  
  Solution:
  
  Switch to Change Mode: If you need to perform an action that is not allowed in display mode, switch to change mode. This can usually be done by selecting an option like "Change" or "Edit" in the menu or toolbar.
  Check User Permissions: Ensure that your user role has the necessary permissions to perform the action you are trying to execute. You may need to contact your SAP administrator to verify or update your permissions.
  Review Transaction Settings: If you are an administrator or have access to configuration settings, review the transaction settings to see if there are restrictions in place that prevent actions in display mode.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are using to understand its capabilities and limitations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific transaction or module you are working with.
  User Training: Ensure that users are trained on the differences between display and change modes in SAP to avoid confusion.
  Transaction Codes: Familiarize yourself with the transaction codes you are using, as some may have specific behaviors regarding display and change modes.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.