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 ('9f776708b7db3d3d79cdf63fec2d53da', -1, 1462217485, 1462217485, '36570b7c', 11, 0, 0)

Line : 187
File : sessions.php