phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 2013 Lost connection to MySQL server during query

SELECT u.*, s.* FROM bimby_phpbb_sessions s, bimby_phpbb_users u WHERE s.session_id = 'f9e71b1f3f609e65f8011f6eab53b52f' AND u.user_id = s.session_user_id AND session_time > 1711577927

Line : 270
File : sessions.php