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 ('a1f4ce1952e7ec47a9b0d32a13a88f9d', -1, 1461979634, 1461979634, '6b145cc0', 4, 0, 0)

Line : 187
File : sessions.php