My 15 students shared their apps with me by generating links. Unfortunately, I did not notice that those links were expiring, and now I cannot access the apps (“Error copying shared project via link”). I have seen that others got help to solve the problem by posting here, so I hope somebody can help me as well.
Here are two of the 15 links (new users can only put 2 links in a post. I hope I will be able to share the other links later):