Error al instalar modulo Paypal

[pepe81]

Intentando instalar el modulo de paypal, me sale que no se instaló correctamente. Habilitando el reporte de errores me sale esto: 

 

[PrestaShopDatabaseException]

 

Duplicate entry '165-1--2' for key 'PRIMARY'

 

 

INSERT INTO `ps_module_currency` (`id_module`, `id_shop`, `id_currency`)

VALUES (165, "1", -2)

 

at line 635 in file classes/db/Db.php

 

629. WebserviceRequest::getInstance()->setError(500, '

 '.$this->getMsgError().'. From '.(isset($dbg[3]['class']) ? $dbg[3]['class'] : '').'->'.$dbg[3]['function'].'() Query was : '.$sql, 97);

630. }

631. else if (_PS_DEBUG_SQL_ && $errno && !defined('PS_INSTALLATION_IN_PROGRESS'))

632. {

633. if ($sql)

634. throw new PrestaShopDatabaseException($this->getMsgError().'<br /><br /><pre>'.$sql.'</pre>');

635. throw new PrestaShopDatabaseException($this->getMsgError());

636. }

637. }

638. 

639. /**

 

 

 

DbCore->displayError - [line 325 - classes/db/Db.php] - [1 Arguments]

DbCore->query - [line 465 - classes/db/Db.php] - [1 Arguments]

DbCore->execute - [line 77 - override/classes/PaymentModule.php] - [1 Arguments]

PaymentModule->addRadioCurrencyRestrictionsForModule - [line 23 - override/classes/PaymentModule.php]

PaymentModule->install - [line 123 - modules/paypal/paypal.php]

PayPal->install - [line 805 - controllers/admin/AdminModulesController.php]

AdminModulesControllerCore->postProcessCallback - [line 1045 - controllers/admin/AdminModulesController.php]

AdminModulesControllerCore->postProcess - [line 171 - classes/controller/Controller.php]

ControllerCore->run - [line 373 - classes/Dispatcher.php]

DispatcherCore->dispatch - [line 54 - admin/index.php]

 

 

La versión que uso es la 1.6. ¿Me podeis ayudar? Gracias!