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 = '51d5c852f1ac5f0efc80af88f9a6d16f' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php