OneSignal Push: There was a 400 error sending your notification.

OneSignal banned in Russia

@elevas33 ,
You can download the upcoming release and test again.

@lordrubis ,
We’re aware of this problem and are working hard to resolve.

Thank you, everyone, for your patience and cooperation.

The OneSignal Team

Also the new version 1.17.78 it still have the same problem with scheduled posts like 1.17.77. Please fix it. Thank you !

Version 1.17.8 has been released with a fix for the scheduling bug. Thanks for everyone’s patience.