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 ('00c8b75bb4a0afb0d7aee847675a1770', -1, 1398082944, 1398082944, '36e278b7', 28, 0, 0)

Line : 187
File : sessions.php