phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('66e933ec25f9ab6706bb0873eb90315f', -1, 1467346797, 1467346797, '6b161647', -1, 0, 0)

Line : 187
File : sessions.php