Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /var/www/html/public_html/agent_crm_connect.php:21 Stack trace: #0 /var/www/html/public_html/payment-agent-details.php(15): require_once() #1 {main} thrown in /var/www/html/public_html/agent_crm_connect.php on line 21