Just add # before in line 719 shipping-zones-by-drawing.php.
These files doesnt exists..
// Packages for blocks checkout
# require_once (SZBD_PLUGINDIRPATH . 'packages/szbd-shipping-message/szbd-shipping-message.php');
# require_once (SZBD_PLUGINDIRPATH . 'packages/szbd-method-selection/szbd-method-selection.php');
#require_once (SZBD_PLUGINDIRPATH . 'packages/szbd-shipping-map/szbd-shipping-map.php');