Fatal error: Uncaught TypeError: mysqli_close(): Argument #1 ($mysql) must be of type mysqli, null given in /mnt/nas/sobangcenter/public_html/mobile/bottom.html:92
Stack trace:
#0 /mnt/nas/sobangcenter/public_html/mobile/bottom.html(92): mysqli_close()
#1 /mnt/nas/sobangcenter/public_html/mobile/sub01_04.html(65): include('...')
#2 {main}
thrown in /mnt/nas/sobangcenter/public_html/mobile/bottom.html on line 92
