diff --git a/lib/model/exceptions/bad_request_error.dart b/lib/model/exceptions/bad_request_error.dart
index 7e6e9060..1a3c9fbe 100644
--- a/lib/model/exceptions/bad_request_error.dart
+++ b/lib/model/exceptions/bad_request_error.dart
@@ -8,7 +8,7 @@ class BadRequestError extends NetworkError {
   static const statusCode = HttpStatus.badRequest;
 
   BadRequestError(
-    super.dioError, {
+    super.dioException, {
     super.statusCodeValue,
   });
 
@@ -25,7 +25,7 @@ class BadRequestError extends NetworkError {
     final dynamic data = err.response?.data;
     if (data is! Map) return BadRequestError(err);
     if (!data.containsKey('code')) return BadRequestError(err);
-    final code = data['code'] as String;
+    final code = data['code'] as String?;
     switch (code) {
       default:
         return BadRequestError(err);
diff --git a/lib/model/exceptions/forbidden_error.dart b/lib/model/exceptions/forbidden_error.dart
index e9f603a4..a6e73069 100644
--- a/lib/model/exceptions/forbidden_error.dart
+++ b/lib/model/exceptions/forbidden_error.dart
@@ -8,7 +8,7 @@ class ForbiddenError extends NetworkError {
   static const statusCode = HttpStatus.forbidden;
 
   ForbiddenError(
-    super.dioError, {
+    super.dioException, {
     super.statusCodeValue,
   });
 
@@ -25,7 +25,7 @@ class ForbiddenError extends NetworkError {
     final dynamic data = err.response?.data;
     if (data is! Map) return ForbiddenError(err);
     if (!data.containsKey('code')) return ForbiddenError(err);
-    final code = data['code'] as String;
+    final code = data['code'] as String?;
     switch (code) {
       default:
         return ForbiddenError(err);
diff --git a/lib/model/exceptions/general_error.dart b/lib/model/exceptions/general_error.dart
index 8f070100..38de4a1c 100644
--- a/lib/model/exceptions/general_error.dart
+++ b/lib/model/exceptions/general_error.dart
@@ -1,12 +1,9 @@
 import 'package:flutter_template/util/locale/localization_keys.dart';
 import 'package:icapps_architecture/icapps_architecture.dart';
 
-class GeneralNetworkError extends NetworkError {
-  GeneralNetworkError(super.dioError);
+class GeneralError with LocalizedError {
+  GeneralError() : super();
 
   @override
   String getLocalizedKey() => LocalizationKeys.errorGeneral;
-
-  @override
-  String? get getErrorCode => null;
 }
diff --git a/lib/model/exceptions/general_network_error.dart b/lib/model/exceptions/general_network_error.dart
index 38de4a1c..9653f888 100644
--- a/lib/model/exceptions/general_network_error.dart
+++ b/lib/model/exceptions/general_network_error.dart
@@ -1,9 +1,12 @@
 import 'package:flutter_template/util/locale/localization_keys.dart';
 import 'package:icapps_architecture/icapps_architecture.dart';
 
-class GeneralError with LocalizedError {
-  GeneralError() : super();
+class GeneralNetworkError extends NetworkError {
+  GeneralNetworkError(super.dioException);
 
   @override
   String getLocalizedKey() => LocalizationKeys.errorGeneral;
+
+  @override
+  String? get getErrorCode => null;
 }
diff --git a/lib/model/exceptions/internal_server_error.dart b/lib/model/exceptions/internal_server_error.dart
index 5a043857..d69949e7 100644
--- a/lib/model/exceptions/internal_server_error.dart
+++ b/lib/model/exceptions/internal_server_error.dart
@@ -7,7 +7,7 @@ class InternalServerError extends NetworkError {
   static const statusCode = HttpStatus.internalServerError;
 
   InternalServerError(
-    super.dioError, {
+    super.dioException, {
     super.statusCodeValue,
   });
 
diff --git a/lib/model/exceptions/no_internet_error.dart b/lib/model/exceptions/no_internet_error.dart
index 24c6eda2..ba665ac6 100644
--- a/lib/model/exceptions/no_internet_error.dart
+++ b/lib/model/exceptions/no_internet_error.dart
@@ -2,7 +2,7 @@ import 'package:flutter_template/util/locale/localization_keys.dart';
 import 'package:icapps_architecture/icapps_architecture.dart';
 
 class NoInternetError extends NetworkError {
-  NoInternetError(super.dioError);
+  NoInternetError(super.dioException);
 
   @override
   String getLocalizedKey() => LocalizationKeys.errorNoNetwork;
diff --git a/lib/model/exceptions/un_authorized_error.dart b/lib/model/exceptions/un_authorized_error.dart
index 36095816..a2e57e62 100644
--- a/lib/model/exceptions/un_authorized_error.dart
+++ b/lib/model/exceptions/un_authorized_error.dart
@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:dio/dio.dart';
 import 'package:flutter_template/util/locale/localization_keys.dart';
 import 'package:icapps_architecture/icapps_architecture.dart';
 
@@ -7,7 +8,7 @@ class UnAuthorizedError extends NetworkError {
   static const statusCode = HttpStatus.unauthorized;
 
   UnAuthorizedError(
-    super.dioError, {
+    super.dioException, {
     super.statusCodeValue,
   });
 
@@ -19,4 +20,15 @@ class UnAuthorizedError extends NetworkError {
     if (statusCodeValue == null) return '$statusCode';
     return '$statusCode [$statusCodeValue]';
   }
+
+  static NetworkError parseError(DioException err) {
+    final dynamic data = err.response?.data;
+    if (data is! Map) return UnAuthorizedError(err);
+    if (!data.containsKey('code')) return UnAuthorizedError(err);
+    final code = data['code'] as String?;
+    switch (code) {
+      default:
+        return UnAuthorizedError(err);
+    }
+  }
 }
diff --git a/lib/util/interceptor/network_error_interceptor.dart b/lib/util/interceptor/network_error_interceptor.dart
index 28d2a185..0246aaef 100644
--- a/lib/util/interceptor/network_error_interceptor.dart
+++ b/lib/util/interceptor/network_error_interceptor.dart
@@ -2,7 +2,7 @@ import 'package:dio/dio.dart';
 import 'package:flutter_template/model/exceptions/bad_request_error.dart';
 import 'package:flutter_template/model/exceptions/code_error.dart';
 import 'package:flutter_template/model/exceptions/forbidden_error.dart';
-import 'package:flutter_template/model/exceptions/general_error.dart';
+import 'package:flutter_template/model/exceptions/general_network_error.dart';
 import 'package:flutter_template/model/exceptions/internal_server_error.dart';
 import 'package:flutter_template/model/exceptions/no_internet_error.dart';
 import 'package:flutter_template/model/exceptions/un_authorized_error.dart';
@@ -31,7 +31,7 @@ class NetworkErrorInterceptor extends SimpleInterceptor {
       final statusCode = error.response?.statusCode;
       switch (statusCode) {
         case UnAuthorizedError.statusCode:
-          return UnAuthorizedError(error);
+          return UnAuthorizedError.parseError(error);
         case BadRequestError.statusCode:
           return BadRequestError.parseError(error);
         case ForbiddenError.statusCode:
diff --git a/lib/util/interceptor/network_log_interceptor.dart b/lib/util/interceptor/network_log_interceptor.dart
index 7ab2d817..8099cc66 100644
--- a/lib/util/interceptor/network_log_interceptor.dart
+++ b/lib/util/interceptor/network_log_interceptor.dart
@@ -1,7 +1,7 @@
 import 'dart:io';
 
 import 'package:dio/dio.dart';
-import 'package:flutter_template/model/exceptions/general_error.dart';
+import 'package:flutter_template/model/exceptions/general_network_error.dart';
 import 'package:icapps_architecture/icapps_architecture.dart';
 import 'package:injectable/injectable.dart';
 
diff --git a/test/repository/refresh/refresh_repository_test.dart b/test/repository/refresh/refresh_repository_test.dart
index c58ee11d..b7ede64e 100644
--- a/test/repository/refresh/refresh_repository_test.dart
+++ b/test/repository/refresh/refresh_repository_test.dart
@@ -1,5 +1,5 @@
 import 'package:dio/dio.dart';
-import 'package:flutter_template/model/exceptions/general_network_error.dart';
+import 'package:flutter_template/model/exceptions/general_error.dart';
 import 'package:flutter_template/model/exceptions/un_authorized_error.dart';
 import 'package:flutter_template/repository/refresh/refresh_repository.dart';
 import 'package:flutter_template/repository/secure_storage/auth/auth_storage.dart';
diff --git a/test/util/interceptor/network_error_interceptor_test.dart b/test/util/interceptor/network_error_interceptor_test.dart
index 086cfe49..02c1e8be 100644
--- a/test/util/interceptor/network_error_interceptor_test.dart
+++ b/test/util/interceptor/network_error_interceptor_test.dart
@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_template/model/exceptions/bad_request_error.dart';
 import 'package:flutter_template/model/exceptions/code_error.dart';
 import 'package:flutter_template/model/exceptions/forbidden_error.dart';
-import 'package:flutter_template/model/exceptions/general_error.dart';
+import 'package:flutter_template/model/exceptions/general_network_error.dart';
 import 'package:flutter_template/model/exceptions/internal_server_error.dart';
 import 'package:flutter_template/model/exceptions/un_authorized_error.dart';
 import 'package:flutter_template/util/env/flavor_config.dart';
diff --git a/test/viewmodel/login/login_viewmodel_test.dart b/test/viewmodel/login/login_viewmodel_test.dart
index 19bc9c41..98ea28e5 100644
--- a/test/viewmodel/login/login_viewmodel_test.dart
+++ b/test/viewmodel/login/login_viewmodel_test.dart
@@ -1,4 +1,4 @@
-import 'package:flutter_template/model/exceptions/general_network_error.dart';
+import 'package:flutter_template/model/exceptions/general_error.dart';
 import 'package:flutter_template/navigator/main_navigator.dart';
 import 'package:flutter_template/navigator/onboarding_navigator.dart';
 import 'package:flutter_template/repository/login/login_repository.dart';
diff --git a/test/viewmodel/todo/todo_list/todo_list_viewmodel_test.dart b/test/viewmodel/todo/todo_list/todo_list_viewmodel_test.dart
index 06deb86c..fbce3e79 100644
--- a/test/viewmodel/todo/todo_list/todo_list_viewmodel_test.dart
+++ b/test/viewmodel/todo/todo_list/todo_list_viewmodel_test.dart
@@ -1,4 +1,4 @@
-import 'package:flutter_template/model/exceptions/general_network_error.dart';
+import 'package:flutter_template/model/exceptions/general_error.dart';
 import 'package:flutter_template/model/webservice/todo/todo.dart';
 import 'package:flutter_template/navigator/main_navigator.dart';
 import 'package:flutter_template/repository/todo/todo_repository.dart';