sql error on line: 13

file: /home/sharedinmanageco/public_html/mytofes.co.il/_modules/category.mdl.php

query:
SELECT i.* 
			FROM tb_items as i 
				LEFT JOIN tb_item_categories as ic ON (ic.item_id=i.id AND ic.category_id='11')
			WHERE (ic.item_id IS NOT NULL OR i.main_category='11')
			ORDER BY ic.order_num


error: Too many connections