With Legenda theme active any Name Your Price product fails on add to cart Ajax call. Browser’s developer tools network activity shows an error 500 is returned. Deactivating all plugins other than Woocommerce and Name Your Price did not fix the problem. Change the theme from Legenda to 2015 did fix the problem.
Site URL: hidden Theme version: 3.0.1 WooCommerce version: 2.6.1