errors while cooking

I want to build a game.
What’s wrong?

Howdy Maslobojik,

Would you mind posted this issue on our AnswerHub. You can find the location of the AnswerHub here:

Posting your issue here will provide a better glance into what you are seeing exactly. If you could also follow this template on how to report a bug, this will provide the necessary information so that we may dive straight into the issue. Here is the template: How do I report a bug? - UE4 AnswerHub.

Thanks and have a great day!