Codesign error with Flutter on iOS

Question

So I have been trying to get into Flutter recently and I am having issues. When I create a new project and do flutter run it works just fine. If I completely close

Answer 1

There can be multiple reasons for this codesign failure.

Go to Keychain Access -> Apple Worldwide Developer Relations Certificate Authority certificate -> Get Info -> (expand) Trust settings

Then for the combo box for "When using this certificate:" make it System Defaults