I'm trying to display a SnackBar using GetX in Flutter, but it is not showing. What could be the reason, and how can I fix it?

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Get.snackbar( easy.tr("missing_information"), easy.tr("enter_email_password"), backgroundColor: AppColors.redColor, colorText: AppColors.whitetextColor, snackPosition: SnackPosition.TOP, ); E/flutter (16549): \[ERROR:flutter/runtime/dart_vm_initializer.cc(40)\] Unhandled Exception: No Overlay widget found. E/flutter (16549): Some widgets require an Overlay widget ancestor for correct operation. E/flutter (16549): The most common way to add an Overlay to an application is to include a MaterialApp, CupertinoApp or Navigator widget in the runApp() call. E/flutter (16549): The context from which that widget was searching for an overlay was: E/flutter (16549): \_Theater E/flutter (16549): #0 Overlay.of.\<anonymous closure\> (package:flutter/src/widgets/overlay.dart:588:9) E/flutter (16549): #1 Overlay.of (package:flutter/src/widgets/overlay.dart:591:6) E/flutter (16549): #2 SnackbarController.\_configureOverlay (package:get/get_navigation/src/snackbar/snackbar_controller.dart:91:29) E/flutter (16549): #3 SnackbarController.\_show (package:get/get_navigation/src/snackbar/snackbar_controller.dart:331:5) E/flutter (16549): #4 GetQueue.\_check (package:get/get_utils/src/queue/get_queue.dart:42:47) E/flutter (16549): #5 GetQueue.add (package:get/get_utils/src/queue/get_queue.dart:29:5) E/flutter (16549): #6 \_SnackBarQueue.\_addJob (package:get/get_navigation/src/snackbar/snackbar_controller.dart:357:31) E/flutter (16549): #7 SnackbarController.show (package:get/get_navigation/src/snackbar/snackbar_controller.dart:63:27) E/flutter (16549): #8 ExtensionSnackbar.snackbar (package:get/get_navigation/src/extension_navigation.dart:465:18) E/flutter (16549): #9 LoginController.loginUser.\<anonymous closure\> (package:ivy/controllers/login_controller.dart:29:13) E/flutter (16549): #10 SchedulerBinding.\_invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1434:15) E/flutter (16549): #11 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1361:11) E/flutter (16549): #12 SchedulerBinding.\_handleDrawFrame (package:flutter/src/scheduler/binding.dart:1200:5) E/flutter (16549): #13 \_invoke (dart:ui/hooks.dart:356:13) E/flutter (16549): #14 PlatformDispatcher.\_drawFrame (dart:ui/platform_dispatcher.dart:444:5) E/flutter (16549): #15 \_drawFrame (dart:ui/hooks.dart:328:31) E/flutter (16549):
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