phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table '.\submission\sub_sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM sub_sessions s, sub_users u WHERE s.session_id = 'd37095f6539775d9e5c6a52050b1003f' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php