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 ('19e7b8de7c5d3472769c5ed496519163', -1, 1464717630, 1464717630, '36c6b7b9', 11, 0, 0)

Line : 187
File : sessions.php