Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/oureduc/public_html/college_info.php:21 Stack trace: #0 /home/oureduc/public_html/college_info.php(21): mysqli_num_rows(false) #1 {main} thrown in /home/oureduc/public_html/college_info.php on line 21