Thanks for trying to reproduce! and for the quick response!
Yes, in Russia some of the services are blocked, that’s true but I am in California, and the internet speed is 10 mbps down and 5 up.
I can not tell why the insertion fails, but it fails about 5% of the time and it seems to me that the problem is unrelated to Russia, I had it even with English references.
Usually the reload helps, yes.