Redirects to error page when opening an exercise in Intermediate Python

Question

When opening Square Up (Practice exercise 5.2 under Collection Types) or Ignore the Vowels (Practice exercise 7.2 under Collection Types), I keep getting redirected to an error page.

https://www.sololearn.com/learning/1158

Answer 1

You can report bugs using the in-app feedback function or via mail to [e-mail].

Answer 2

It's working now.