Unable to access list of submitted assignments

1. Click on link for upload assignment. 2. Click on Status - To order by status. 3. Receive error. 4. No longer able to access assignment information. Debug info: Unknown column 'status' in 'order clause' SELECT u.id,u.picture,u.firstname,u.lastname,u.imagealt,u.email, s.id AS submissionid, s.grade, s.submissioncomment, s.timemodified, s.timemarked FROM mdl_user u LEFT JOIN mdl_assignment_submissions s ON u.id = s.userid AND s.assignment = 10 WHERE u.id IN (8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,88,89,90,91,92,93) ORDER BY status ASC, timemarked ASC [array ( )] Stack trace: line 394 of /lib/dml/moodle_database.php: dml_read_exception thrown line 809 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end() line 1325 of /mod/assignment/lib.php: call to mysqli_native_moodle_database->get_records_sql() line 649 of /mod/assignment/lib.php: call to assignment_base->display_submissions() line 57 of /mod/assignment/submissions.php: call to assignment_base->submissions()