phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 2

SELECT u.*, s.* FROM bb_sessions s, bb_ u WHERE s.session_id = 'd8c71430712bb3b43c8c4bfc5690bb96' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php