The type inferred was PluginRegistry, but FlutterEngine was the expected type, resulting in a type mismatch.

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This error message indicates that a variable is expected to be of type FlutterEngine, but is instead inferred to be of type PluginRegistry. There is a mismatch between the expected and inferred types of the variable.

The PluginRegistry and FlutterEngine are both related to the Flutter framework, but they serve different purposes. The PluginRegistry is responsible for managing the plugins used in an application, while the FlutterEngine is used to run and manage the Flutter application itself.

To resolve this error, you need to ensure that the variable is of the correct type. Check the code where the variable is being used and make sure that it is properly initialized as a FlutterEngine object. If necessary, update any other code that may be causing the type mismatch.