Fatal error: Uncaught Error: Call to undefined function PhpAmqpLib\Wire\mb_strlen() in /var/www/notifier.codingmice.com/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/AMQPWriter.php:292 Stack trace: #0 /var/www/notifier.codingmice.com/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/AMQPWriter.php(376): PhpAmqpLib\Wire\AMQPWriter->write_shortstr() #1 /var/www/notifier.codingmice.com/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Connection/AbstractConnection.php(216): PhpAmqpLib\Wire\AMQPWriter->write_table() #2 /var/www/notifier.codingmice.com/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Connection/AMQPStreamConnection.php(63): PhpAmqpLib\Connection\AbstractConnection->__construct() #3 /var/www/notifier.codingmice.com/index.php(31): PhpAmqpLib\Connection\AMQPStreamConnection->__construct() #4 {main} thrown in /var/www/notifier.codingmice.com/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/AMQPWriter.php on line 292