Hika & Kunena

Bonjour,
Voici les erreurs affichées après modification du profil kunena (J!2.5.9, Kunena2.0.4, hikashop+market à jour)

Avatar téléchargé avec succès !
Votre profil a été sauvegardé.
SoapFault exception: [soap:Server] SERVER_BUSY in administrator/components/com_hikashop/helpers/vat.php:168 Stack trace: #0 /administrator/components/com_hikashop/helpers/vat.php(168): SoapClient->__call('checkVat', Array) #1
/administrator/components/com_hikashop/helpers/vat.php(168): SoapClient->checkVat(Array) #2
/administrator/components/com_hikashop/helpers/vat.php(68): hikashopVatHelper->onlineCheck('BE*********') #3
/administrator/components/com_hikashop/classes/currency.php(69): hikashopVatHelper->isValid(Object(stdClass)) #4 /
/administrator/components/com_hikashop/classes/currency.php(91): hikashopCurrencyClass->getTaxType() #5
/administrator/components/com_hikashop/classes/currency.php(27): hikashopCurrencyClass->getTax(644, '21') #6
/administrator/components/com_hikashop/classes/currency.php(414): hikashopCurrencyClass->getTaxedPrice('29.35000', 644, '21') #7
/components/com_hikashop/views/product/view.html.php(574): hikashopCurrencyClass->getListingPrices(Array, 644, 1, 'cheapest') #8
/components/com_hikashop/views/product/view.html.php(31): ProductViewProduct->listing() #9
/administrator/components/com_hikashop/helpers/helper.php(665): ProductViewProduct->display(NULL, Object(JRegistry)) #10
/modules/mod_hikashop/mod_hikashop.php(48): hikashop_getLayout('product', 'listing', Object(JRegistry), '') #11
/plugins/system/advancedmodules/modulehelper.php(193): include('/home/...') #12
/libraries/joomla/document/html/renderer/module.php(107): JModuleHelper::renderModule(Object(stdClass), Array) #13
/libraries/joomla/document/html/renderer/modules.php(39): JDocumentRendererModule->render(Object(stdClass), Array, NULL) #14
/libraries/joomla/document/html/html.php(371): JDocumentRendererModules->render('content-bottom-...', Array, NULL) #15
/libraries/joomla/document/html/html.php(655): JDocumentHTML->getBuffer('modules', 'content-bottom-...', Array) #16
/libraries/joomla/document/html/html.php(433): JDocumentHTML->_renderTemplate() #17 /
/includes/application.php(271): JDocumentHTML->render(false, Array) #18
/index.php(48): JSite->render() #19 {main}

Merci de votre aide...