Warning: Cannot redeclare class Twig_CacheInterface in /data/www/current/public/content/plugins/mailpoet/vendor/twig/twig/src/Cache/CacheInterface.php on line 60

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