Fatal error: Uncaught mysqli_sql_exception: Query was empty in /www/wwwroot/www.informacka.sk/inc/database2.php:48 Stack trace: #0 /www/wwwroot/www.informacka.sk/inc/database2.php(48): mysqli->prepare() #1 /www/wwwroot/www.informacka.sk/category.php(20): include('...') #2 {main} thrown in /www/wwwroot/www.informacka.sk/inc/database2.php on line 48