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Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /home/szkolnekonto6868/public_html/projektszkolny/klient.php on line 33

Fatal error: Uncaught Error: Call to a member function close() on boolean in /home/szkolnekonto6868/public_html/projektszkolny/klient.php:34 Stack trace: #0 {main} thrown in /home/szkolnekonto6868/public_html/projektszkolny/klient.php on line 34