Joomla 1.5 Поиск в Virtuemart выдало No valid database connection The..

Поиск товаров Virtuemart на главной странице. На Денвере все прекрасно, на сервере при запросе выдало:


No valid database connection The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay SQL=SELECT COUNT(DISTINCT `jos_vm_product`.`product_sku`) as num_rows FROM (`jos_vm_product`, `jos_vm_category`, `jos_vm_product_category_xref`,`jos_vm_shopper_group`) LEFT JOIN `jos_vm_product_price` ON `jos_vm_product`.`product_id` = `jos_vm_product_price`.`product_id` WHERE (`jos_vm_product_category_xref`.`product_id`=`jos_vm_product`.`product_id` OR `jos_vm_product_category_xref`.`product_id`=`jos_vm_product`.`product_parent_id`) AND `jos_vm_product_category_xref`.`category_id`=`jos_vm_category`.`category_id` AND ( (`jos_vm_product`.`product_name` LIKE '%масло%' OR `jos_vm_product`.`product_sku` LIKE '%масло%' OR `jos_vm_product`.`product_s_desc` LIKE '%масло%' OR `jos_vm_product`.`product_desc` LIKE '%масло%') ) AND ((`jos_vm_product`.`product_id`=`jos_vm_product_price`.`product_id` AND `jos_vm_shopper_group`.`shopper_group_id`=`jos_vm_product_price`.`shopper_group_id`) OR `jos_vm_product_price`.`product_id` IS NULL) AND `jos_vm_shopper_group`.`default` = 1 AND `product_publish`='Y' AND `category_publish`='Y'
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