phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './srv29418_forum/phpbb_sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = '76b9701b876f3e5f5c4415d9a01e3556' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php