Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /home2/sunaniyaharda/public_html/mobile_repairing.php:645 Stack trace: #0 /home2/sunaniyaharda/public_html/mobile_repairing.php(645): mysqli_query('select *from mo...') #1 {main} thrown in /home2/sunaniyaharda/public_html/mobile_repairing.php on line 645