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Fatal error: Uncaught TypeError: mysqli_select_db(): Argument #1 ($mysql) must be of type mysqli, null given in /home/tahztech/public_html/testschool/connect.php:4 Stack trace: #0 /home/tahztech/public_html/testschool/connect.php(4): mysqli_select_db(NULL, 'tahztech_testsc...') #1 /home/tahztech/public_html/testschool/reset.php(6): include('/home/tahztech/...') #2 {main} thrown in /home/tahztech/public_html/testschool/connect.php on line 4