Examples throw an ERROR: [uncaughtException] Invalid value "undefined" for header "x-forwarded-for"

[Vitalii-Kh95]

I didn't check all examples, but some in routing section ("pages", "universal router") don't work cause of above mentioned error.
Others might don't work too, I didn't check.

[arashsheyda]

can you share an example url?

[Vitalii-Kh95]

It was on https://nuxt.com/docs/examples/routing/pages for example.
But unfortunately I can't reproduce an error. Don't know what it's related with...