Internal Server Error on plnkrs :(

[polbac]

Describe the bug
Hi! i am part of ENERGIA HTML (a community of live coding)
https://www.instagram.com/energiahtml/
https://www.energiahtml.com/

We used plnkr to code our projects in the meet up, but all our plnkrs have been broken ("Oh dear, something didn't go quite right")

https://run.plnkr.co/preview/clykig7wa00063b72yx63ty76/
https://run.plnkr.co/preview/clykkre1k000f3b728j0uq78l/
https://run.plnkr.co/preview/clykhc8pk0006356spexxbvu1/
https://run.plnkr.co/preview/clyki26ro0006356w7tfhk39p/

Screenshots

Is there any way to fix it? since otherwise we would lose that day's work and it would be very sad.

Thank you so much!

Desktop (please complete the following information):

• OS: iOS
• Browser chrome
• Version 22