phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './assoc_phpbbv2/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 ('7ff27e1eba139f3a9443ae64b9783e9a', -1, 1397919881, 1397919881, '36c6e079', 36, 0, 0)

Line : 187
File : sessions.php