phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopo_phpbb1/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 ('1c16b5cbc896c0127d5d5dca66fe78bc', -1, 1413892678, 1413892678, '36a1936a', 20, 0, 0)

Line : 191
File : sessions.php