Please delete your 'pubspec.lock' file and run 'flutter clean' and that's it. You can run from now. I hope that works.
eyupfurkantuylu
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution