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Fatal error: Uncaught mysqli_sql_exception: Unknown column 'subject_id' in 'where clause' in /mnt/web116/e1/71/570373871/htdocs/Kahibaro/subject.php:30
Stack trace:
#0 /mnt/web116/e1/71/570373871/htdocs/Kahibaro/subject.php(30): mysqli->query()
#1 /mnt/web116/e1/71/570373871/htdocs/Kahibaro/index.php(100): include('...')
#2 {main}
thrown in /mnt/web116/e1/71/570373871/htdocs/Kahibaro/subject.php on line 30