Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/wwwinfobellserp/public_html/college/classes/Database.class.php:128 Stack trace: #0 /home/wwwinfobellserp/public_html/college/classes/Database.class.php(139): Database->__construct('localhost', 'infobv9v_democo...', 'psncet', 'infobv9v_erpcol...', false) #1 /home/wwwinfobellserp/public_html/college/common.php(11): Database::getInstance('localhost', 'infobv9v_democo...', 'psncet', 'infobv9v_erpcol...') #2 /home/wwwinfobellserp/public_html/college/staff_login.php(2): include('/home/wwwinfobe...') #3 {main} thrown in /home/wwwinfobellserp/public_html/college/classes/Database.class.php on line 128