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 ('dedac3362f46a2493848f8f9b505a0ca', -1, 1464181023, 1464181023, '36e12343', 12, 0, 0)

Line : 187
File : sessions.php