Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/sagarproperties/public_html/tower.php:48 Stack trace: #0 /home/sagarproperties/public_html/tower.php(48): mysqli_num_rows(false) #1 /home/sagarproperties/public_html/index.php(170): include_once('/home/sagarprop...') #2 {main} thrown in /home/sagarproperties/public_html/tower.php on line 48