Erro Shopsystem

[leohcr7 1]

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '11' for key 1' in C:\xampp\htdocs\shopsystem.php:498 Stack trace: #0 C:\xampp\htdocs\shopsystem.php(498): PDO->query('INSERT INTO `z_...') #1 C:\xampp\htdocs\index.php(292): include('C:\xampp\htdocs...') #2 {main} thrown in C:\xampp\htdocs\shopsystem.php on line 498

depois de comprar o item da esse erro. o item e entregue certo, porem gostaria de tirar esse erro

[Sociopata 505]

provavelmente esta faltando tabelas adicione-as no phpmyadmin

CREATE TABLE IF NOT EXISTS `z_ots_comunication` (

`id` int(11) NOT NULL auto_increment,

`name` varchar(255) NOT NULL,

`type` varchar(255) NOT NULL,

`action` varchar(255) NOT NULL,

`param1` varchar(255) NOT NULL,

`param2` varchar(255) NOT NULL,

`param3` varchar(255) NOT NULL,

`param4` varchar(255) NOT NULL,

`param5` varchar(255) NOT NULL,

`param6` varchar(255) NOT NULL,

`param7` varchar(255) NOT NULL,

`delete_it` int(2) NOT NULL default '1',

PRIMARY KEY (`id`)

);

CREATE TABLE IF NOT EXISTS `z_shop_offer` (

`id` int(11) NOT NULL auto_increment,

`points` int(11) NOT NULL default '0',

`itemid1` int(11) NOT NULL default '0',

`count1` int(11) NOT NULL default '0',

`itemid2` int(11) NOT NULL default '0',

`count2` int(11) NOT NULL default '0',

`offer_type` varchar(255) default NULL,

`offer_description` text NOT NULL,

`offer_name` varchar(255) NOT NULL,

PRIMARY KEY (`id`)

);

CREATE TABLE IF NOT EXISTS `z_shop_history_item` (

`id` int(11) NOT NULL auto_increment,

`to_name` varchar(255) NOT NULL default '0',

`to_account` int(11) NOT NULL default '0',

`from_nick` varchar(255) NOT NULL,

`from_account` int(11) NOT NULL default '0',

`price` int(11) NOT NULL default '0',

`offer_id` int(11) NOT NULL default '0',

`trans_state` varchar(255) NOT NULL,

`trans_start` int(11) NOT NULL default '0',

`trans_real` int(11) NOT NULL default '0',

PRIMARY KEY (`id`)

CREATE TABLE IF NOT EXISTS `z_shop_history_pacc` (

`id` int(11) NOT NULL auto_increment,

`to_name` varchar(255) NOT NULL default '0',

`to_account` int(11) NOT NULL default '0',

`from_nick` varchar(255) NOT NULL,

`from_account` int(11) NOT NULL default '0',

`price` int(11) NOT NULL default '0',

`pacc_days` int(11) NOT NULL default '0',

`trans_state` varchar(255) NOT NULL,

`trans_start` int(11) NOT NULL default '0',

`trans_real` int(11) NOT NULL default '0',

PRIMARY KEY (`id`)

);