Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\AIXSETJOOMLA\JL\PREINSCRIPTION\RV.php:6 Stack trace: #0 C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\AIXSETJOOMLA\JL\PREINSCRIPTION\RV.php(6): mysqli_query('ALTER TABLE `j...') #1 {main} thrown in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\AIXSETJOOMLA\JL\PREINSCRIPTION\RV.php on line 6