phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_phpbb1/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('40eb3f12ab01f29f09c9c2aff962515e', -1, 1409666280, 1409666280, 'adf5385e', -9, 0)

Line : 158
File : sessions.php