Hi @Jakub Sobótka, welcome to the Community!
Ah, this error has come up before in the Community:
I’ve added you to the list of users being affected by the issue mentioned there. We can’t give any ETAs on when this issue will be resolved but we’ll be sure to send you a notification by email as soon as it’s been fixed.
In the meantime I’d recommend trying the workaround that’s explained in the following guide:
For anyone who comes across this post and wants to be added please reach out on the main topic for this issue and we’ll be happy to get you added to the list. You can also subscribe to the topic to be kept up to date on any news or other workarounds that may be shared there!