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 ('42531be7bf256c25685bf035eb00dbdf', -1, 1397981743, 1397981743, '6b1646d7', 23, 0, 0)

Line : 187
File : sessions.php