phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forums_ourchurch_com/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 ('6ffd0e143347c5dfc6a3f0db3bae2d72', -1, 1464466971, 1464466971, '3691757f', 9, 0, 0)

Line : 187
File : sessions.php