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 ('c118524427ca77c1c6b6ec7924002c49', -1, 1467314491, 1467314491, '6b166e36', -1, 0, 0)

Line : 187
File : sessions.php