Fatal error: Uncaught ArgumentCountError: mysqli_select_db() expects exactly 2 arguments, 1 given in /home/drmpsurh/public_html/common/db.php:4 Stack trace: #0 /home/drmpsurh/public_html/common/db.php(4): mysqli_select_db() #1 /home/drmpsurh/public_html/common/header-without-menu.php(3): require_once('/home/drmpsurh/...') #2 /home/drmpsurh/public_html/index.php(3): include_once('/home/drmpsurh/...') #3 {main} thrown in /home/drmpsurh/public_html/common/db.php on line 4