Warning: Undefined variable $qry in C:\inetpub\vhosts\tdbcollege.ac.in\httpdocs\dept_details.php on line 275

Fatal error: Uncaught TypeError: mysqli_free_result(): Argument #1 ($result) must be of type mysqli_result, null given in C:\inetpub\vhosts\tdbcollege.ac.in\httpdocs\config.php:79 Stack trace: #0 C:\inetpub\vhosts\tdbcollege.ac.in\httpdocs\config.php(79): mysqli_free_result() #1 C:\inetpub\vhosts\tdbcollege.ac.in\httpdocs\dept_details.php(275): freeResultSet() #2 {main} thrown in C:\inetpub\vhosts\tdbcollege.ac.in\httpdocs\config.php on line 79