ТОП обменников электронных валют

Fatal error: Uncaught exception 'Exception' with message 'SafeMySQL: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-30' at line 1. Full query: [SELECT exchange.*, AVG(rate) FROM rate,exchange WHERE rate.type=1 AND exchange.hide=0 AND rate.e_id=exchange.id AND exchange.fav=0 GROUP BY rate.e_id ORDER BY AVG(rate) DESC LIMIT -30]' in /home/venn/domains/exchangetop.com/public_html/admin/php/mysql.php:724 Stack trace: #0 /home/venn/domains/exchangetop.com/public_html/admin/php/mysql.php(594): SafeMySQL->error('You have an err...') #1 /home/venn/domains/exchangetop.com/public_html/admin/php/mysql.php(391): SafeMySQL->rawQuery('SELECT exchange...') #2 /home/venn/domains/exchangetop.com/public_html/top-exchange.php(41): SafeMySQL->getAll('SELECT exchange...') #3 {main} thrown in /home/venn/domains/exchangetop.com/public_html/admin/php/mysql.php on line 724