If you see an E-403 error message on the payment pop-up, this is because our payment portal, Paddle, blocks transactions from specific countries. Here is a statement from Paddle on the matter:

"In accordance with international sanctions regulations, as well as the policies of our banking and payments partners, including various anti-money laundering regulations, Paddle is unable to support suppliers operating from the below countries. Paddle will also block purchases and downloads to buyers located within specific unsupported regions/countries."

The countries blocked are:

We will update this list in sync with Paddle's updates. Unfortunately there is not anything as Novelcrafter that we can do regarding these restrictions.