Building to android gives me an error, and I don't know what caused it

When I am building my app to android, it says an error occured:

[exp] Android: There was an error with this build.

But I have no idea why it would work, because I published my app to expo and it worked fine, and running it over “npm start” and “exp start” both work fine. I don’t know why this is at all. Is there any way to check what the error was, or any common mistakes people make when building to android that I probably made?

Did it show you a build id? If you send that id to us we can help you debug.

I didnt change anything about the app, and tried building it for the 4th
time. After that it worked.

Ok sorry about that. We’re working on ways to expose these errors better.

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