diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6775ab..21eae84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,8 @@ CHANGELOG
 
 ## 2.0.1 (12.02.204) ##
 
-* 🛠 Add logging framework ([#66](https://github.com/tankste/app/issues/66))
+* 🛠 Add error logging
+* ➕ Add logging framework ([#66](https://github.com/tankste/app/issues/66))
 * 🐞 Fix initial state hangup ([#64](https://github.com/tankste/app/issues/64))
 
 ## 2.0.0 (29.01.2024) ##
diff --git a/app/pubspec.yaml b/app/pubspec.yaml
index d11d110..abdd4f4 100644
--- a/app/pubspec.yaml
+++ b/app/pubspec.yaml
@@ -2,7 +2,7 @@ name: tankste
 description: Finde die günstigste Tankstelle in deiner Nähe!
 publish_to: 'none'
 
-version: 2.0.1+26
+version: 2.0.1+27
 
 environment:
   sdk: ">=2.19.6 <3.0.0"
diff --git a/core/lib/log/log.dart b/core/lib/log/log.dart
index 6a73cb2..b089cbd 100644
--- a/core/lib/log/log.dart
+++ b/core/lib/log/log.dart
@@ -35,4 +35,8 @@ class Log {
   static void e(String message) {
     _logger.e(message);
   }
+
+  static void exception(Exception exception) {
+    _logger.t(exception);
+  }
 }
diff --git a/sponsor/lib/repository/balance_repository.dart b/sponsor/lib/repository/balance_repository.dart
index ba22ff1..f51e069 100644
--- a/sponsor/lib/repository/balance_repository.dart
+++ b/sponsor/lib/repository/balance_repository.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:convert';
+import 'package:core/log/log.dart';
 import 'package:http/http.dart' as http;
 import 'package:multiple_result/multiple_result.dart';
 import 'package:sponsor/model/balance_model.dart';
@@ -39,7 +40,9 @@ class TanksteWebBalanceRepository extends BalanceRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
@@ -55,9 +58,12 @@ class TanksteWebBalanceRepository extends BalanceRepository {
 
         return Result.success(balance);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
diff --git a/sponsor/lib/repository/comment_repository.dart b/sponsor/lib/repository/comment_repository.dart
index 330defb..c4f66e8 100644
--- a/sponsor/lib/repository/comment_repository.dart
+++ b/sponsor/lib/repository/comment_repository.dart
@@ -2,13 +2,12 @@ import 'dart:async';
 import 'dart:convert';
 import 'package:core/device/model/device_model.dart';
 import 'package:core/device/repository/device_repository.dart';
+import 'package:core/log/log.dart';
 import 'package:http/http.dart' as http;
 import 'package:multiple_result/multiple_result.dart';
-import 'package:sponsor/model/balance_model.dart';
 import 'package:sponsor/model/comment_model.dart';
 import 'package:sponsor/model/config_model.dart';
 import 'package:sponsor/repository/config_repository.dart';
-import 'package:sponsor/repository/dto/balance_dto.dart';
 import 'package:sponsor/repository/dto/comment_dto.dart';
 
 abstract class CommentRepository {
@@ -53,7 +52,9 @@ class TanksteWebCommentRepository extends CommentRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
@@ -69,9 +70,12 @@ class TanksteWebCommentRepository extends CommentRepository {
 
         return Result.success(comments);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
@@ -88,14 +92,18 @@ class TanksteWebCommentRepository extends CommentRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
       Result<DeviceModel, Exception> deviceResult =
           await _deviceRepository.get().first;
       if (deviceResult.isError()) {
-        return Result.error(deviceResult.tryGetError()!);
+        Exception error = deviceResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       DeviceModel device = deviceResult.tryGetSuccess()!;
 
@@ -111,9 +119,12 @@ class TanksteWebCommentRepository extends CommentRepository {
 
         return Result.success(comment);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
@@ -137,14 +148,18 @@ class TanksteWebCommentRepository extends CommentRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
       Result<DeviceModel, Exception> deviceResult =
           await _deviceRepository.get().first;
       if (deviceResult.isError()) {
-        return Result.error(deviceResult.tryGetError()!);
+        Exception error = deviceResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       DeviceModel device = deviceResult.tryGetSuccess()!;
 
@@ -160,7 +175,9 @@ class TanksteWebCommentRepository extends CommentRepository {
 
         return Result.success(comment);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
       return Result.error(e);
diff --git a/sponsor/lib/repository/config_repository.dart b/sponsor/lib/repository/config_repository.dart
index 29f4965..8ac24be 100644
--- a/sponsor/lib/repository/config_repository.dart
+++ b/sponsor/lib/repository/config_repository.dart
@@ -1,3 +1,4 @@
+import 'package:core/log/log.dart';
 import 'package:multiple_result/multiple_result.dart';
 import 'package:sponsor/model/config_model.dart';
 import 'package:core/config/model/config_model.dart' as core;
@@ -36,6 +37,7 @@ class LocalConfigRepository extends ConfigRepository {
         apiBaseUrl: jsonStationConfig["apiBaseUrl"] ?? "",
       ));
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
diff --git a/sponsor/lib/repository/product_repository.dart b/sponsor/lib/repository/product_repository.dart
index 06fea94..47c659e 100644
--- a/sponsor/lib/repository/product_repository.dart
+++ b/sponsor/lib/repository/product_repository.dart
@@ -3,6 +3,7 @@ import 'dart:io';
 
 import 'package:core/device/model/device_model.dart';
 import 'package:core/device/repository/device_repository.dart';
+import 'package:core/log/log.dart';
 import 'package:in_app_purchase/in_app_purchase.dart';
 import 'package:in_app_purchase_android/in_app_purchase_android.dart';
 import 'package:in_app_purchase_storekit/in_app_purchase_storekit.dart';
@@ -72,15 +73,19 @@ class MobileProductRepository extends ProductRepository {
   Future<Result<ProductModel, Exception>> _getAsync(String id) async {
     try {
       if (!await InAppPurchase.instance.isAvailable()) {
-        return Result.error(Exception("InAppPurchase is not available"));
+        Exception error = Exception("InAppPurchase is not available");
+        Log.exception(error);
+        return Result.error(error);
       }
 
       final ProductDetailsResponse response =
           await InAppPurchase.instance.queryProductDetails({id});
 
       if (response.notFoundIDs.isNotEmpty) {
-        return Result.error(Exception(
-            "Product '$id' not found. Reason: ${response.error?.message}"));
+        Exception error = Exception(
+            "Product '$id' not found. Reason: ${response.error?.message}");
+        Log.exception(error);
+        return Result.error(error);
       }
 
       ProductDetails productDto = response.productDetails.first;
@@ -93,6 +98,7 @@ class MobileProductRepository extends ProductRepository {
       );
       return Result.success(product);
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
@@ -115,7 +121,9 @@ class MobileProductRepository extends ProductRepository {
   Future<Result<void, Exception>> _purchaseAsync(String id) async {
     try {
       if (!await InAppPurchase.instance.isAvailable()) {
-        return Result.error(Exception("InAppPurchase is not available"));
+        Exception error = Exception("InAppPurchase is not available");
+        Log.exception(error);
+        return Result.error(error);
       }
 
       final ProductDetailsResponse response =
@@ -125,7 +133,9 @@ class MobileProductRepository extends ProductRepository {
       Result<DeviceModel, Exception> deviceResult =
           await _deviceRepository.get().first;
       if (deviceResult.isError()) {
-        return Result.error(deviceResult.tryGetError()!);
+        Exception error = Exception(deviceResult.tryGetError()!);
+        Log.exception(error);
+        return Result.error(error);
       }
       DeviceModel device = deviceResult.tryGetSuccess()!;
 
@@ -166,9 +176,12 @@ class MobileProductRepository extends ProductRepository {
                 provider: PurchaseProvider.appleStore))
             .first;
       } else {
-        return Result.error(Exception("Unsupported purchase details!"));
+        Exception error = Exception("Unsupported purchase details!");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
@@ -186,7 +199,9 @@ class MobileProductRepository extends ProductRepository {
   Future<Result<void, Exception>> _restoreAsync() async {
     try {
       if (!await InAppPurchase.instance.isAvailable()) {
-        return Result.error(Exception("InAppPurchase is not available"));
+        Exception error = Exception("InAppPurchase is not available");
+        Log.exception(error);
+        return Result.error(error);
       }
 
       InAppPurchase.instance.restorePurchases();
@@ -201,7 +216,9 @@ class MobileProductRepository extends ProductRepository {
       if (purchaseDetails is GooglePlayPurchaseDetails) {
         // TODO
         // This is not required for Google. But be fair and add this later :-)
-        return Result.error(Exception("Unsupported purchase details!"));
+        Exception error = Exception("Unsupported purchase details!");
+        Log.exception(error);
+        return Result.error(error);
       } else if (purchaseDetails is AppStorePurchaseDetails) {
         String transactionId = purchaseDetails.skPaymentTransaction
                 .originalTransaction?.transactionIdentifier ??
@@ -210,9 +227,12 @@ class MobileProductRepository extends ProductRepository {
             .registerByAppleTransactionId(transactionId)
             .first;
       } else {
-        return Result.error(Exception("Unsupported purchase details!"));
+        Exception error = Exception("Unsupported purchase details!");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
@@ -240,8 +260,9 @@ class MobileProductRepository extends ProductRepository {
             await InAppPurchase.instance.completePurchase(purchaseDetails);
           }
 
-          return Result.error(
-              Exception("Purchase error: ${purchaseDetails.error}"));
+          Exception error = Exception("Purchase error: ${purchaseDetails.error}");
+          Log.exception(error);
+          return Result.error(error);
         case PurchaseStatus.restored:
           if (purchaseDetails.pendingCompletePurchase && Platform.isIOS) {
             await InAppPurchase.instance.completePurchase(purchaseDetails);
@@ -253,9 +274,12 @@ class MobileProductRepository extends ProductRepository {
             await InAppPurchase.instance.completePurchase(purchaseDetails);
           }
 
-          return Result.error(Exception("Purchase error: Canceled"));
+          Exception error = Exception("Purchase error: Canceled");
+          Log.exception(error);
+          return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
diff --git a/sponsor/lib/repository/purchase_repository.dart b/sponsor/lib/repository/purchase_repository.dart
index d6e7c94..0d798b6 100644
--- a/sponsor/lib/repository/purchase_repository.dart
+++ b/sponsor/lib/repository/purchase_repository.dart
@@ -3,6 +3,7 @@ import 'dart:convert';
 
 import 'package:core/device/model/device_model.dart';
 import 'package:core/device/repository/device_repository.dart';
+import 'package:core/log/log.dart';
 import 'package:multiple_result/multiple_result.dart';
 import 'package:http/http.dart' as http;
 import 'package:sponsor/model/apple_purchase_model.dart';
@@ -49,14 +50,18 @@ class TanksteWebPurchaseRepository extends PurchaseRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
       Result<DeviceModel, Exception> deviceResult =
           await _deviceRepository.get().first;
       if (deviceResult.isError()) {
-        return Result.error(deviceResult.tryGetError()!);
+        Exception error = deviceResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       DeviceModel device = deviceResult.tryGetSuccess()!;
 
@@ -68,7 +73,9 @@ class TanksteWebPurchaseRepository extends PurchaseRepository {
       } else if (purchase is ApplePurchaseModel) {
         body = jsonEncode(ApplePurchaseDto.fromModel(purchase, device.id));
       } else {
-        return Result.error(Exception("Unsupported purchase type!"));
+        Exception error = Exception("Unsupported purchase type!");
+        Log.exception(error);
+        return Result.error(error);
       }
 
       http.Response response = await http.post(url, body: body, headers: {
@@ -86,14 +93,19 @@ class TanksteWebPurchaseRepository extends PurchaseRepository {
               ApplePurchaseDto.fromJson(jsonResponse);
           purchaseResult = applePurchaseDto.toModel();
         } else {
-          return Result.error(Exception("Unsupported purchase type!"));
+          Exception error = Exception("Unsupported purchase type!");
+          Log.exception(error);
+          return Result.error(error);
         }
 
         return Result.success(purchaseResult);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
diff --git a/sponsor/lib/repository/sponsorship_repository.dart b/sponsor/lib/repository/sponsorship_repository.dart
index 154c04f..c65a048 100644
--- a/sponsor/lib/repository/sponsorship_repository.dart
+++ b/sponsor/lib/repository/sponsorship_repository.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:core/log/log.dart';
 import 'package:http/http.dart' as http;
 import 'package:core/device/model/device_model.dart';
 import 'package:core/device/repository/device_repository.dart';
@@ -45,14 +46,18 @@ class TanksteWebSponsorshipRepository extends SponsorshipRepository {
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
       Result<DeviceModel, Exception> deviceResult =
           await _deviceRepository.get().first;
       if (deviceResult.isError()) {
-        return Result.error(deviceResult.tryGetError()!);
+        Exception error = deviceResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       DeviceModel device = deviceResult.tryGetSuccess()!;
 
@@ -68,9 +73,12 @@ class TanksteWebSponsorshipRepository extends SponsorshipRepository {
 
         return Result.success(sponsorship);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }
diff --git a/sponsor/lib/repository/transaction_device_repository.dart b/sponsor/lib/repository/transaction_device_repository.dart
index 6bdcf5b..14481c0 100644
--- a/sponsor/lib/repository/transaction_device_repository.dart
+++ b/sponsor/lib/repository/transaction_device_repository.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:core/log/log.dart';
 import 'package:http/http.dart' as http;
 import 'package:core/device/model/device_model.dart';
 import 'package:core/device/repository/device_repository.dart';
@@ -51,7 +52,9 @@ class TanksteWebTransactionDeviceRepository
       Result<ConfigModel, Exception> configResult =
           await _configRepository.get().first;
       if (configResult.isError()) {
-        return Result.error(configResult.tryGetError()!);
+        Exception error = configResult.tryGetError()!;
+        Log.exception(error);
+        return Result.error(error);
       }
       ConfigModel config = configResult.tryGetSuccess()!;
 
@@ -68,9 +71,12 @@ class TanksteWebTransactionDeviceRepository
 
         return Result.success(device);
       } else {
-        return Result.error(Exception("API Error!\n\n${response.body}"));
+        Exception error = Exception("API Error!\n\n${response.body}");
+        Log.exception(error);
+        return Result.error(error);
       }
     } on Exception catch (e) {
+      Log.exception(e);
       return Result.error(e);
     }
   }