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 ('51109a7ebce39d609867a897e3413d5e', -1, 1464294009, 1464294009, '36a6d66b', 9, 0, 0)

Line : 187
File : sessions.php