phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './doomcom@002bforums/sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM sessions s, users u WHERE s.session_id = '5f40b9ca5055aa7e086f5c5f2d9fc510' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php