JOWA - Headway OceanGuard

Fatal error: Uncaught Error: Object of class WP_Error could not be converted to string in /home/customer/www/jowa.com/public_html/wp-content/themes/jowa-2017/single-products.php:116 Stack trace: #0 /home/customer/www/jowa.com/public_html/wp-includes/template-loader.php(106): include() #1 /home/customer/www/jowa.com/public_html/wp-blog-header.php(19): require_once('/home/customer/...') #2 /home/customer/www/jowa.com/public_html/index.php(17): require('/home/customer/...') #3 {main} thrown in /home/customer/www/jowa.com/public_html/wp-content/themes/jowa-2017/single-products.php on line 116