Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1040] Too many connections in /var/www/html/src/bootstrap.php:21 Stack trace: #0 /var/www/html/src/bootstrap.php(21): PDO->__construct('mysql:host=mysq...', 'checker', 'checker_secret', Array) #1 /var/www/html/index.php(9): require('/var/www/html/s...') #2 {main} thrown in /var/www/html/src/bootstrap.php on line 21