Refurbished iPhone XS Max 64GB Silver

Fatal error: Uncaught Error: Call to a member function getSupplierId() on null in /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/themes/refurbished/templates/template.wizardProduct.php:7 Stack trace: #0 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(301): include() #1 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(167): template->Parse() #2 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/classes/Webshop.php(23): template->GetTemplate() #3 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/themes/refurbished/templates/template.productWizard.php(166): Webshop\Webshop::getTemplate() #4 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(301): include('...') #5 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(167): template->Parse() #6 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/classes/Webshop.php(23): template->GetTemplate() #7 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/themes/refurbished/templates/template.productSingle.php(171): Webshop\Webshop::getTemplate() #8 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(301): include('...') #9 /home/refurbish/domains/refurbished.nl/public_html/includes/classes/class.template.php(167): template->Parse() #10 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/classes/Webshop.php(23): template->GetTemplate() #11 /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/webshop.functions.php(98): Webshop\Webshop::getTemplate() #12 /home/refurbish/domains/refurbished.nl/public_html/includes/filter.php(194): webshopTemplateHandler() #13 /home/refurbish/domains/refurbished.nl/public_html/includes/functions.php(3007): apply_filters() #14 /home/refurbish/domains/refurbished.nl/public_html/includes/initialize.php(169): modules_loaded() #15 /home/refurbish/domains/refurbished.nl/public_html/load.php(32): require('...') #16 /home/refurbish/domains/refurbished.nl/public_html/index.php(5): require('...') #17 {main} thrown in /home/refurbish/domains/refurbished.nl/public_html/modules/webshop/themes/refurbished/templates/template.wizardProduct.php on line 7