This is a crazy one. PlayStation Store listing errors are very common, but this one takes the cake.
Now, it’s a little bit tricky to get but Australian OzBargain users as well as Twitter users have done it with great success. You’ll need to make an Indonesian PlayStation Network account and then buy Indonesian PlayStation credit from somewhere like Play Asia or SeaGM. Unfortunately, it looks like the smallest you can get is 100,000 RP so you’re going to be left with some money to spend on something else.