diff --git a/plugins/aves_report_crashlytics/lib/aves_report_platform.dart b/plugins/aves_report_crashlytics/lib/aves_report_platform.dart
index b091a2f31..58e429b3b 100644
--- a/plugins/aves_report_crashlytics/lib/aves_report_platform.dart
+++ b/plugins/aves_report_crashlytics/lib/aves_report_platform.dart
@@ -11,38 +11,62 @@ import 'package:flutter/services.dart';
 import 'package:stack_trace/stack_trace.dart';
 
 class PlatformReportService extends ReportService {
-  FirebaseCrashlytics get _instance => FirebaseCrashlytics.instance;
+  FirebaseCrashlytics? get _instance {
+    try {
+      return FirebaseCrashlytics.instance;
+    } catch (error, stack) {
+      // as of firebase_core v1.10.5 / firebase_crashlytics v2.4.3, `Firebase.app` sometimes fail with:
+      // `No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()`
+      debugPrint('failed to get Firebase Crashlytics instance with error=$error\n$stack');
+    }
+    return null;
+  }
 
   @override
   Future<void> init() => Firebase.initializeApp();
 
   @override
-  Map<String, String> get state => {
+  Map<String, String> get state {
+    try {
+      return {
         'Reporter': 'Crashlytics',
         'Firebase data collection enabled': '${Firebase.app().isAutomaticDataCollectionEnabled}',
-        'Crashlytics collection enabled': '${_instance.isCrashlyticsCollectionEnabled}',
+        'Crashlytics collection enabled': '${_instance?.isCrashlyticsCollectionEnabled}',
       };
+    } catch (error, stack) {
+      // as of firebase_core v1.10.5 / firebase_crashlytics v2.4.3, `Firebase.app` sometimes fail with:
+      // `No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()`
+      debugPrint('failed to access Firebase properties with error=$error\n$stack');
+    }
+    return {};
+  }
 
   @override
   Future<void> setCollectionEnabled(bool enabled) async {
     debugPrint('${enabled ? 'enable' : 'disable'} Firebase & Crashlytics collection');
-    await Firebase.app().setAutomaticDataCollectionEnabled(enabled);
-    await _instance.setCrashlyticsCollectionEnabled(enabled);
+    try {
+      await Firebase.app().setAutomaticDataCollectionEnabled(enabled);
+      await _instance?.setCrashlyticsCollectionEnabled(enabled);
+    } catch (error, stack) {
+      // as of firebase_core v1.10.5 / firebase_crashlytics v2.4.3, `Firebase.app` sometimes fail with:
+      // `No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()`
+      debugPrint('failed to access Firebase properties with error=$error\n$stack');
+    }
   }
 
   @override
-  Future<void> log(String message) => _instance.log(message);
+  Future<void> log(String message) async => _instance?.log(message);
 
   @override
-  Future<void> setCustomKey(String key, Object value) => _instance.setCustomKey(key, value);
+  Future<void> setCustomKey(String key, Object value) async => _instance?.setCustomKey(key, value);
 
   @override
   Future<void> setCustomKeys(Map<String, Object> map) {
-    return Future.forEach<MapEntry<String, Object>>(map.entries, (kv) => _instance.setCustomKey(kv.key, kv.value));
+    return Future.forEach<MapEntry<String, Object>>(map.entries, (kv) => setCustomKey(kv.key, kv.value));
   }
 
   @override
-  Future<void> recordError(dynamic exception, StackTrace? stack) {
+  Future<void> recordError(dynamic exception, StackTrace? stack) async {
     if (exception is PlatformException && stack != null) {
       // simply creating a trace with `Trace.current(1)` or creating a `Trace` from modified frames
       // does not yield a stack trace that Crashlytics can segment,
@@ -56,11 +80,11 @@ class PlatformReportService extends ReportService {
           )
           .join('\n'));
     }
-    return _instance.recordError(exception, stack);
+    return _instance?.recordError(exception, stack);
   }
 
   @override
-  Future<void> recordFlutterError(FlutterErrorDetails flutterErrorDetails) {
-    return _instance.recordFlutterError(flutterErrorDetails);
+  Future<void> recordFlutterError(FlutterErrorDetails flutterErrorDetails) async {
+    return _instance?.recordFlutterError(flutterErrorDetails);
   }
 }