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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/gh1391/www/kor/main/main_press.html:17 Stack trace: #0 /home/gh1391/www/kor/main/main_press.html(17): mysqli_query(NULL, 'select idx,titl...') #1 {main} thrown in /home/gh1391/www/kor/main/main_press.html on line 17