phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './db1070818@002dforums/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2fb0e1cac13ebd8f4bf264856f7ee9ff', -1, 1406893909, 1406893909, '3653e90b', -1, 0, 0)

Line : 187
File : sessions.php