Checkout cannot be completed when DPD parcelshops shipping method is selected

[hubkeeper]

During checkout when shipping to DPD parceshops is selected as a shipping method the order cannot be completed. At the last step of checkout when the 'place order' button is pressed an error message appears saying: 'Please check shipping address information. Please enter the country. Please enter the state/province.' Also the price of the shipping is not displayed properly on the last step of checkout - review of the order - it is 0. However, the checkout process is completed without errors or warnings when shipping with DPD Home Delivery is selected. The price of the shipping is displayed correctly with this shipping method.

[dpdplugin]

Hi @hubkeeper
Could you please tell use what version of Magento you are using and if you are using an non default checkout?

[hubkeeper]

Hi, we are using Magento 1.9.3.2 and default one page checkout. However, we are using a custom theme and a module for ajax shopping cart.