Fatal error: Uncaught Error: Call to undefined method WC_Subscriptions_Synchroniser::is_payment_upfront() in /home/customer/www/lead4purpose.com/public_html/wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-payment-request.php:650 Stack trace: #0 /home/customer/www/lead4purpose.com/public_html/wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-payment-request.php(1078): WC_Stripe_Payment_Request->is_invalid_subscription_product(Object(WC_Product_Subscription), true) #1 /home/customer/www/lead4purpose.com/public_html/wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-payment-request.php(990): WC_Stripe_Payment_Request->is_product_supported(Object(WC_Product_Subscription)) #2 /home/customer/www/lead4purpose.com/public_html/wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-payment-request.php(827): WC_Stripe_Payment_Request->should_show_payment_request_button() #3 /home/customer/ww in /home/customer/www/lead4purpose.com/public_html/wp-content/plugins/woocommerce-gateway-stripe/includes/payment-methods/class-wc-stripe-payment-request.php on line 650