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 ('e7a70604bc4bba0d094fb0051881c9c9', -1, 1464703587, 1464703587, '36a6da98', 3, 0, 0)

Line : 187
File : sessions.php