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 ('6f8270a3ee0e8f1e5268105cf2af0476', -1, 1461972717, 1461972717, '6b1425d4', 3, 0, 0)

Line : 187
File : sessions.php