Fatal error: Uncaught ValueError: mysqli_query(): Argument #2 ($query) cannot be empty in /home/lucky72i_farhana/public_html/training.php:30
Stack trace:
#0 /home/lucky72i_farhana/public_html/training.php(30): mysqli_query()
#1 {main}
thrown in /home/lucky72i_farhana/public_html/training.php on line 30