Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/lfs/rougokantei.com/public_html/dbcom01/mysql.php:52
Stack trace:
#0 /home/lfs/rougokantei.com/public_html/dbcom01/mysql.php(52): mysqli_query(NULL, 'SELECT * FROM m...')
#1 /home/lfs/rougokantei.com/public_html/smn/seminar_list1.php(91): MySQL->query('SELECT * FROM m...')
#2 {main}
thrown in /home/lfs/rougokantei.com/public_html/dbcom01/mysql.php on line 52
