Problem with Pro

Hi,

My client has paid for the Pro version of your plugin and it started throwing errors yesterday.

Your main site seems to be offline. Are you still supporting the plugin?

Error Details

=============

An error of type E_ERROR was caused in line 335 of the file /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-content/plugins/woo-free-product-sample-pro/public/class-woo-free-product-sample-pro-public.php. Error message: Uncaught Error: Class ‘Inc\Woo_Free_Product_Sample_Helper’ not found in /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-content/plugins/woo-free-product-sample-pro/public/class-woo-free-product-sample-pro-public.php:335

Stack trace:

#0 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-includes/class-wp-hook.php(287): Woo_Free_Product_Sample_Pro_Public->woo_free_product_sample_add_shipping_item()

#1 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters()

#2 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-includes/plugin.php(478): WP_Hook->do_action()

#3 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-content/plugins/woo-discount-rules/v1/includes/cart-rules.php(2172): do_action()

#4 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-content/plugins/woo-discount-rules/v1/includes/cart-rules.php(97): FlycartWooDiscountRulesCartRules->calculateCartSubtotal()

#5 /var/www/vhosts/www.clarke-clarkefabrics.co.uk/wp-content/plugins/woo-discount-rules/v1/includes/