FAQ #13818, published on 2016-11-10
An IOS application is not receiving any Push Notification - What to check first ?
A WINDEV MOBILE application build with Xcode 8 in version 210067f might have the Push Notification Capability not active.

It's quite easy to fix : in Xcode go to Capabilities, Push Notifications and select ON.

See also : ios, notification, Xcode8, push