Unable to connect to Dart VM

[Veeresh12201]

WebDriverError: Cannot connect to the Dart Observatory URL

I have tried to enable the enableFlutterDriverExtension() due to the driver is depricated we cannot use it if we use it it cannot run the app

[KazuCocoa]

You could try out https://github.com/AppiumTestDistribution/appium-flutter-integration-driver, which doesn't require flutter_driver.
https://github.com/appium/appium-flutter-driver?tab=readme-ov-file#appium-drivers-for-flutter