Warning: Undefined variable $con in /home/u542706073/domains/hifitech.co/public_html/index.php on line 42

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/u542706073/domains/hifitech.co/public_html/index.php:42 Stack trace: #0 /home/u542706073/domains/hifitech.co/public_html/index.php(42): mysqli_query() #1 {main} thrown in /home/u542706073/domains/hifitech.co/public_html/index.php on line 42