error prestashopdatabaseexception

[maria1]

Buenas tardes les pido por favor su colaboración no soy programador y me meti en el cuento de crear la pagina web de mi negocio, Yo la tengo en xammp cuando quiero ver la pagina me aparece este error, no tengo ni idea como arreglarlo.  adjunto una captura de pantalla para que por favor me colaboren. Estaré eternamente agradecida.   [PrestaShopDatabaseException]

Table 'prestashop.ps_shop_url' doesn't exist

 

SELECT s.id_shop, CONCAT(su.physical_uri, su.virtual_uri) AS uri, su.domain, su.main					FROM ps_shop_url su					LEFT JOIN ps_shop s ON (s.id_shop = su.id_shop)					WHERE (su.domain = 'localhost' OR su.domain_ssl = 'localhost')						AND s.active = 1						AND s.deleted = 0					ORDER BY LENGTH(CONCAT(su.physical_uri, su.virtual_uri)) DESC

at line 765 in file classes/db/Db.php

 

760. 			WebserviceRequest::getInstance()->setError(500, '[SQL Error] '.$this->getMsgError().'. From '.(isset($dbg[3]['class']) ? $dbg[3]['class'] : '').'->'.$dbg[3]['function'].'() Query was : '.$sql, 97);761. 		}762. 		elseif (_PS_DEBUG_SQL_ && $errno && !defined('PS_INSTALLATION_IN_PROGRESS'))763. 		{764. 			if ($sql)765. 				throw new PrestaShopDatabaseException($this->getMsgError().'<br /><br /><pre>'.$sql.'</pre>');766. 767. 			throw new PrestaShopDatabaseException($this->getMsgError());768. 		}769. 	}770. 

• DbCore->displayError - [line 418 - classes/db/Db.php] - [1 Arguments]
• DbCore->query - [line 620 - classes/db/Db.php] - [1 Arguments]
• DbCore->executeS - [line 333 - classes/shop/Shop.php] - [1 Arguments]
• ShopCore::initialize - [line 105 - config/config.inc.php]
• require - [line 34 - admin947ib1npn/index.php] - [1 Arguments]