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 ('ff0c115df2dc362a6d0c9304e05ba59c', -1, 1398002902, 1398002902, '36ccc85a', 43, 0, 0)

Line : 187
File : sessions.php