phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './foro/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 ('57d5923b62591bd2bc8bc42ef10be782', -1, 1406187935, 1406187935, '36c4bde5', 11, 0, 0)

Line : 187
File : sessions.php