Ok I've been suffering with this problem for a very long time and I couldn't figure out what to do until I thought of asking you guys. Every time I have tried to subscribe it tells me what the picture says and I've Googled the error code and I couldn't find what to do and I was hoping someone could help me I have a

Nokia Lumia 635

I'm also using a windows phone. But not sure what that error code means. If you got this error while trying to subscribe using a credit card, I could suggest an alternate method.
TRY carrier billing(which is available with AT&T, Sprint and Verizon) with windows phone. Easy.

There is some problem related to Subscription on account of rolling out of Windows 10 by Microsoft. So you have to wait for a while to make it working again. Please go through the following link.

make sure the date and hour on your phone is correct

Quick question the new update that I got the other day is that the one you are talking about I got the update last week maybe 9th

Check the df version it should be 4.4.93. You can find the version by pressing settings on the main screen and then clicking on about button.

Zuperman is asking you to check your phone date and time because if it is not correct then when you subscribe for game it will give you error.

My time is right and I am on 4.4.93.but I still can't subscribe I've never been able to For 3 or 4 month's maybe even longer I'm starting to not like Microsoft