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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in D:\Web\dapei\tagview.php:31 Stack trace: #0 D:\Web\dapei\tagview.php(31): mysqli_query(false, 'SET CHARACTER S...') #1 {main} thrown in D:\Web\dapei\tagview.php on line 31