Hm, that is weird, that does sound like an issue with PayPal and Itchio, hopefully they'll fix that soon enough. If you'd like you can email us at nightshadeprojectinfo@gmail.com and we can send send a key. 💜
I have the same problem. itch.io posted on twitter that they're aware of the issue and working on getting it fixed.
okay thank's for letting me know
Good news - it's working again!
Great!