Fatal error: Uncaught PDOException: SQLSTATE[08004] [1040] Too many connections in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:27 Stack trace: #0 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(27): PDO->__construct('mysql:host=mysq...', 'prod_medbook_pr...', 'uUcyTXoJ8E', Array) #1 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(22): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=mysq...', 'prod_medbook_pr...', 'uUcyTXoJ8E', Array) #2 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(356): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'prod_medbook_pr...', 'uUcyTXoJ8E', Array) #3 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(422): Doctrine\DBAL\Connection->connect() #4 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(382): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(32 in /var/www/html/vendor/doctrine/doctrine-bundle/ConnectionFactory.php on line 79