Unhandled Exception: PlatformException(Failed to run model, Interpreter busy, - flutter

Question

why im getting this error, im trying to run a object detection app in flutter
while running im getting this error in run time, and the object text also not appear
[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(Failed to run model, Interpreter busy, java.lang.RuntimeException: Interpreter busy
My code,
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:camera/camera.dart';
import 'package:flutter_tflite/flutter_tflite.dart';
//import 'package:tflite/tflite.dart';
String result = "";
class CameraScreen extends StatefulWidget {
final CameraDescription camera;
CameraScreen(this.camera);
#override
_CameraScreenState createState() => _CameraScreenState();
}
class _CameraScreenState extends State<CameraScreen> {
loadModel() async {
await Tflite.loadModel(
model: "assets/mobilenet_v1_1.0_224.tflite",
labels: "assets/mobilenet_v1_1.0_224.txt");
}
late CameraController _controller;
late CameraImage imgCam;
late Future<void> _initializeControllerFuture;
#override
void initState() {
super.initState();
_controller = CameraController(widget.camera, ResolutionPreset.medium);
_initializeControllerFuture = _controller.initialize().then((value) => {
setState((() {
_controller.startImageStream((imageFromStream) => {
imgCam = imageFromStream,
runModel(),
});
}))
});
loadModel();
}
runModel() async {
if (imgCam != null) {
var recognition = await Tflite.runModelOnFrame(
bytesList: imgCam.planes.map((plane) {
return plane.bytes;
}).toList(),
imageHeight: imgCam.height,
imageWidth: imgCam.width,
imageMean: 127.5,
imageStd: 127.5,
rotation: 90,
numResults: 1,
threshold: 0.1,
asynch: true,
);
result = "yes";
recognition?.forEach((response) {
result += response["label"] +
" " +
(response["confidence"] as double).toStringAsFixed(2) +
"\n\n";
print(result);
print("\n\n\n\n\n\n\n\n\n\n");
});
setState(() {
result;
});
}
}
#override
void dispose() async {
_controller.dispose();
await Tflite.close();
super.dispose();
}
#override
Widget build(BuildContext context) {
final size = MediaQuery.of(context).size;
final deviceRatio = size.width / size.height;
return Scaffold(
body: FutureBuilder<void>(
future: _initializeControllerFuture,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.done) {
// If the Future is complete, display the preview
return AspectRatio(
aspectRatio: deviceRatio,
child: CameraPreview(
child: Center(
child: Text(result),
),
_controller),
);
} else {
// Otherwise, display a loading indicator
return Center(child: CircularProgressIndicator());
}
}));
}
}