phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './soocool2_db/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, session_admin) VALUES ('7951aa30a0d4a42d614da86ff57d3c9b', -1, 1435919805, 1435919805, '36a6dc8a', -1, 0, 0)

Line : 187
File : sessions.php