Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /var/www/iresys.com/test.iresys.com/includes/DbConnector.php:36
Stack trace:
#0 /var/www/iresys.com/test.iresys.com/includes/DbConnector.php(36): mysqli_query(NULL, 'SELECT * FROM a...')
#1 /var/www/iresys.com/test.iresys.com/index.php(81): DbConnector->query('SELECT * FROM a...')
#2 {main}
thrown in /var/www/iresys.com/test.iresys.com/includes/DbConnector.php on line 36