phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 2006 MySQL server has gone away

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = '1a1571fa84e7d3a94c28b991e8d1b900' AND u.user_id = s.session_user_id AND session_time > 1660205860

Line : 236
File : /home/bsc/v1/phpbb2/includes/sessions.php