Fatal error: Uncaught mysqli_sql_exception: Unknown column 'dept_id' in 'WHERE' in /home/bmuac3944/sbmnimsr.bmu.ac.in/deans-message.php:20 Stack trace: #0 /home/bmuac3944/sbmnimsr.bmu.ac.in/deans-message.php(20): mysqli->query('Select * from ...') #1 {main} thrown in /home/bmuac3944/sbmnimsr.bmu.ac.in/deans-message.php on line 20