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Fatal error: Uncaught Error: Call to undefined function mysql_query() in D:\xampp\htdocs\_0\06_Hotel\rezervi3\install\installSpracheHelper.php:73 Stack trace: #0 D:\xampp\htdocs\_0\06_Hotel\rezervi3\install\installSprache.php(23): insertSpracheNeu('Im Demo Modus k...', NULL) #1 {main} thrown in D:\xampp\htdocs\_0\06_Hotel\rezervi3\install\installSpracheHelper.php on line 73