Catchable fatal error: Argument 1 passed to Twig\Lexer::__construct() must be an instance of Twig\Environment, instance of Twig_Environment given, called in /home/apadasblal/www/wp-content/plugins/mailpoet/lib/Config/Renderer.php on line 96 and defined in /home/apadasblal/www/wp-content/plugins/mailpoet/vendor/twig/twig/src/Lexer.php on line 56