Cant run app

[hazmirmanija]

lib/main.dart:477:41: Error: The getter 'ScaffoldMessenger' isn't defined for the class '_MapViewState'.

• '_MapViewState' is from 'package:flutter_maps/main.dart' ('lib/main.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'ScaffoldMessenger'.
  ScaffoldMessenger.of(context).showSnackBar(
  ^^^^^^^^^^^^^^^^^
  lib/main.dart:483:41: Error: The getter 'ScaffoldMessenger' isn't defined for the class '_MapViewState'.
• '_MapViewState' is from 'package:flutter_maps/main.dart' ('lib/main.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'ScaffoldMessenger'.
  ScaffoldMessenger.of(context).showSnackBar(
  ^^^^^^^^^^^^^^^^^
  I clone hole from and check steps but not runing.

FAILURE: Build failed with an exception.

• Where:
  Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 904

• What went wrong:
  Execution failed for task ':app:compileFlutterBuildDebug'.

Process 'command 'C:\src\flutter\bin\flutter.bat'' finished with non-zero exit value 1

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

[arjunbhandari3]

Use Scaffold.of(context) instead of ScaffoldMessenger.of(context)