Delete the line
/home/barbar84/public_h.../wp-admin
File: widgets.php

Dòng [65/582]:
'<p>' . __( 'If you want to remove the widget but save its setting for possible future use, just drag it into the Inactive Widgets area. You can add them back anytime from there. This is especially helpful when you switch to a theme with fewer or different widget areas.' ) . '</p>
Fix

Ấn tiếp tục để Delete và ở lại trang, ấn Delete để Delete và quay về List dòng
Function