Background of the issue:
I am trying to navigate to an English page on my site, which is the secondary language version. The issue can be seen at the following URL: versteckter Link
Symptoms:
The English version of my site is showing a 404 error page instead of the expected English page.
Questions:
Why is the English version of my site showing a 404 error?
How can I fix the 404 error on the English page?