phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 1160 Got an error writing communication packets

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = '3a59ccb71f75a848c21c78b78a3d3bbf' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php