Bundle Identifier and development team when running playground on xcode

Hi everyone, I am doing my app playground, when I change the development team or try to clear it, this bug happend? So I wonder do I have to remove it when I submit my work or just leave it there.

Signing for "myapp" requires a development team. Select a development team in the Signing & Capabilities editor.

Are you using Xcode? Or the Swift Playground app?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Xcode sir

Bundle Identifier and development team when running playground on xcode
 
 
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