iOS 10.2 Broke this version

The PUREVPN app wont connect to VPN services and requests to try again in 5 seconds.

IOS 10.2 broke something in this version.

Tried to uninstall and reinstall. But the same problem comes back. "Try again in 5 seconds."

dajkyyc about PureVPN: Fast and Secure VPN, v5.3.0