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 = '18fbf00c22f0a5e43481c1dc647e4ccd' AND u.user_id = s.session_user_id

Line : 319
File : sessions.php