Warning: Trying to access array offset on value of type null in C:\inetpub\vhosts\kuranmeali.net\httpdocs\sure.php on line 5

Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in C:\inetpub\vhosts\kuranmeali.net\httpdocs\inc\db.php:40 Stack trace: #0 C:\inetpub\vhosts\kuranmeali.net\httpdocs\inc\db.php(40): mysqli_num_rows() #1 C:\inetpub\vhosts\kuranmeali.net\httpdocs\sure.php(5): DB->COUNT() #2 {main} thrown in C:\inetpub\vhosts\kuranmeali.net\httpdocs\inc\db.php on line 40