phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb_1/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 ('8035f2ae2e28ba1778c9d8897d8d285e', -1, 1413886707, 1413886707, '36edeb0c', 12, 0)

Line : 158
File : /forum/includes/sessions.php