Connection error :SQLSTATE[HY000] [1040] Too many connections Warning: Undefined variable $pdo in /home/arefin/demo.phpscriptpoint.com/yourdoctor/header.php on line 16 Fatal error: Uncaught Error: Call to a member function prepare() on null in /home/arefin/demo.phpscriptpoint.com/yourdoctor/header.php:16 Stack trace: #0 /home/arefin/demo.phpscriptpoint.com/yourdoctor/doctor.php(1): require_once() #1 {main} thrown in /home/arefin/demo.phpscriptpoint.com/yourdoctor/header.php on line 16