*** For laravel versions < 10 put this line
    $app->bind('path.public', function() {
        return __DIR__;
    });
just after this line

    $app = require_once __DIR__.'/../../{applicationname}/bootstrap/app.php';

****For laravel version >= 10 add this line
    $app->usePublicPath(__DIR__);
just after this line

    $app = require_once __DIR__.'/../../{applicationname}/bootstrap/app.php';