Index: core/install/install_schema.sql
===================================================================
--- core/install/install_schema.sql
+++ core/install/install_schema.sql
@@ -267,7 +267,7 @@
   `Name` varchar(255) NOT NULL DEFAULT '',
   Description varchar(255) DEFAULT NULL,
   CreatedOn int(10) unsigned DEFAULT NULL,
-  System tinyint(4) NOT NULL DEFAULT '0',
+  `System` tinyint(4) NOT NULL DEFAULT '0',
   Personal tinyint(4) NOT NULL DEFAULT '0',
   Enabled tinyint(4) NOT NULL DEFAULT '1',
   FrontRegistration tinyint(3) unsigned NOT NULL DEFAULT '0',
Index: modules/in-commerce/units/products/products_config.php
===================================================================
--- modules/in-commerce/units/products/products_config.php
+++ modules/in-commerce/units/products/products_config.php
@@ -547,7 +547,7 @@
 		'QtyOnOrder' => Array ('type' => 'int', 'not_null' => 1, 'default' => 0),
 		'InventoryComment' => Array ('type' => 'string', 'default' => null),
 		'Qty' => Array ('type' => 'int', 'formatter' => 'kFormatter', 'regexp' => '/^[\d]+$/', 'error_msgs' => Array ('invalid_format' => '!la_invalid_integer!')),
-		'AccessGroupId' => Array ('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options_sql' => 'SELECT %s FROM '.TABLE_PREFIX.'UserGroups WHERE System!=1 AND Personal !=1 ORDER BY Name', 'option_key_field' => 'GroupId', 'option_title_field' => 'Name', 'default' => NULL),
+		'AccessGroupId' => Array ('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options_sql' => 'SELECT %s FROM '.TABLE_PREFIX.'UserGroups WHERE `System`!=1 AND Personal !=1 ORDER BY Name', 'option_key_field' => 'GroupId', 'option_title_field' => 'Name', 'default' => NULL),
 		'AccessDuration' => Array ('type' => 'int', 'default' => NULL),
 		'AccessDurationType' => Array ('type' => 'int', 'formatter' => 'kOptionsFormatter', 'use_phrases' => 1, 'options' =>Array (1 => 'la_opt_sec', 2 => 'la_opt_min', 3 => 'la_opt_hour', 4 => 'la_opt_day', 5 => 'la_opt_week', 6 => 'la_opt_month', 7 => 'la_opt_year' ), 'default' => NULL,),
 		'AccessStart' => Array ('type' => 'int', 'formatter' => 'kDateFormatter', 'default' => NULL),
Index: modules/in-commerce/units/products/products_event_handler.php
===================================================================
--- modules/in-commerce/units/products/products_event_handler.php
+++ modules/in-commerce/units/products/products_event_handler.php
@@ -667,7 +667,7 @@
 		}
 		// products from package: end
 
-		$object->addFilter('not_virtual', '%1$s.Virtual = 0');
+		$object->addFilter('not_virtual', '%1$s.`Virtual` = 0');
 
 		if ( !$this->Application->isAdminUser ) {
 			$object->addFilter('expire_filter', '%1$s.Expire IS NULL OR %1$s.Expire > ' . adodb_mktime());