phpBB : Critical Error

Error doing DB query userdata row fetch

DEBUG MODE

SQL Error : 1226 User 'ludziesportu' has exceeded the 'rows_sent' resource (current value: 5000000)

SELECT u.*, s.* FROM phpbb_sessions s, phpbb_users u WHERE s.session_id = '279ef67119d6e71f371a2de68ee925ad' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php