[Geschlossen] roadsmiles.com

Background of the issue:
I am trying to open a translated page on my website, roadsmiles.com, but I am getting redirected to a different page. The issue can be seen on this page: versteckter Link. I expected to see the Italian translation at versteckter Link, but I am redirected to versteckter Link.

Symptoms:
When I click the Italian translation link, I am redirected to a different page than expected.

Questions:
Why am I being redirected to a different page when trying to access a translated page?
How can I fix the redirection issue for the translated page?