phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './usmleforum/forum_sessions' is marked as crashed and should be repaired

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, is_robot, session_admin) VALUES ('519c1b735165a90d9378bebc81316b7b', -1, 1490661646, 1490661646, '36ccf937', 4, 0, '0', 0)

Line : 189
File : sessions.php