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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /www/ours/html/html/article/show.php:111 Stack trace: #0 /www/ours/html/html/article/show.php(111): mysqli_query() #1 {main} thrown in /www/ours/html/html/article/show.php on line 111