phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 145 Table './icentral_phpbb2/sessions' is marked as crashed and should be repaired

SELECT u.*, s.* FROM sessions s, users u WHERE s.session_id = '31ab9d8a5ca013b9c19e67cba7335705' AND u.user_id = s.session_user_id

Line : 330
File : sessions.php