Warning: Undefined variable $board_dataURL in /home/cw1391/www/kor/main/main_people.html on line 11

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/cw1391/www/kor/main/main_people.html:25 Stack trace: #0 /home/cw1391/www/kor/main/main_people.html(25): mysqli_query(NULL, '\r\n\t SELECT i...') #1 {main} thrown in /home/cw1391/www/kor/main/main_people.html on line 25