Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/wowonder/public_html/demo/assets/includes/functions_one.php:244 Stack trace: #0 /home/wowonder/public_html/demo/assets/includes/functions_one.php(244): mysqli_num_rows(false) #1 /home/wowonder/public_html/demo/assets/includes/app_start.php(48): Wo_LangsNamesFromDB() #2 /home/wowonder/public_html/demo/assets/includes/functions_two.php(13): require_once('/home/wowonder/...') #3 /home/wowonder/public_html/demo/assets/init.php(18): require_once('/home/wowonder/...') #4 /home/wowonder/public_html/demo/index.php(12): require_once('/home/wowonder/...') #5 {main} thrown in /home/wowonder/public_html/demo/assets/includes/functions_one.php on line 244