Promotion Page

Fatal error: Uncaught Error: Call to undefined method WilokeListgoFunctionality\Framework\Payment\PaymentConfiguration::isPromoteViaWooCommerce() in /home/customer/www/smarthippo.org/public_html/wp-content/themes/listgo/wiloke-submission/promotion.php:80 Stack trace: #0 /home/customer/www/smarthippo.org/public_html/wp-includes/template-loader.php(106): include() #1 /home/customer/www/smarthippo.org/public_html/wp-blog-header.php(19): require_once('/home/customer/...') #2 /home/customer/www/smarthippo.org/public_html/index.php(17): require('/home/customer/...') #3 {main} thrown in /home/customer/www/smarthippo.org/public_html/wp-content/themes/listgo/wiloke-submission/promotion.php on line 80