thanks a lot for your coment.
I send down the text that appear on " turn on error reporting "
[PrestaShopDatabaseException]Table 'gourmetc_ps18q29.ps_pk_customlink' doesn't exist
SELECT b.`id_pk_customlink`, b.`url`, b.`new_window` FROM `ps_pk_customlink` b
at line 635 in file classes/db/Db.php
629. WebserviceRequest::getInstance()->setError(500, '[SQL Error] '.$this->getMsgError().'. From '.(isset($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 501 - classes/db/Db.php] - [1 Arguments]
DbCore->executeS - [line 138 - modules/pk_customlinks/pk_customlinks.php] - [1 Arguments]
pk_customlinks->getLinks - [line 77 - modules/pk_customlinks/pk_customlinks.php]
pk_customlinks->hookTop - [line 509 - classes/Hook.php] - [1 Arguments]
HookCore::exec - [line 444 - classes/controller/FrontController.php] - [1 Arguments]
FrontControllerCore->initContent - [line 37 - controllers/front/IndexController.php]
IndexControllerCore->initContent - [line 180 - classes/controller/Controller.php]
ControllerCore->run - [line 373 - classes/Dispatcher.php]
DispatcherCore->dispatch - [line 28 - index.php]