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 = 'e2bc3db4221f258719950f8e3246c82a' AND u.user_id = s.session_user_id

Line : 315
File : sessions.php