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 ('ac2cb6b4081522be6e351f20dbd7cd71', -1, 1462062293, 1462062293, '369f0648', 1, 0, 0)

Line : 187
File : sessions.php