missing_dart_library
Required library '{0}' is missing.
Description
#The analyzer produces this diagnostic when either the Dart or Flutter SDK isn't installed correctly, and, as a result, one of the dart: libraries can't be found.
Common fixes
#Reinstall the Dart or Flutter SDK.
Unless stated otherwise, the documentation on this site reflects Dart 3.8.0. Page last updated on 2025-05-08. View source or report an issue.