MySQL error in file: /engine/classes/comments.class.php at line 90

Error Number: 5

The Error returned was:
Out of memory (Needed 3560048 bytes)

SQL query:

SELECT enemn_comments.id, post_id, enemn_comments.user_id, date, autor as gast_name, enemn_comments.email as gast_email, text, ip, is_register, name, enemn_users.email, news_num, comm_num, user_group, lastdate, reg_date, signature, foto, fullname, land, icq, xfields FROM enemn_comments LEFT JOIN enemn_users ON enemn_comments.user_id=enemn_users.user_id WHERE enemn_comments.post_id = '1149' ORDER BY date DESC LIMIT 270,30