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 ('2475e87987e2f9cd6c0c9ced5b4043a7', -1, 1454918591, 1454918591, '36a74e11', -1, 0, 0)

Line : 187
File : sessions.php