Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)
Suddenly this error appears in the debug console. I do not know what I did wrong.
Solution
You've upgraded Flutter but not the packages. In the terminal enter
flutter pub outdated
Then upgrade the outdated packages one by one like this:
flutter pub upgrade outdated_package
After you're finished:
flutter clean
and
flutter pub get
Your problem should now be solved.
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