diff --git a/.ci/php-cs-fixer/composer.lock b/.ci/php-cs-fixer/composer.lock
index 10dbc4c8..d8a944d9 100644
--- a/.ci/php-cs-fixer/composer.lock
+++ b/.ci/php-cs-fixer/composer.lock
@@ -226,16 +226,16 @@
         },
         {
             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.46.0",
+            "version": "v3.47.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
-                "reference": "be6831c9af1740470d2a773119b9273f8ac1c3d2"
+                "reference": "173c60d1eff911c9c54322704623a45561d3241d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/be6831c9af1740470d2a773119b9273f8ac1c3d2",
-                "reference": "be6831c9af1740470d2a773119b9273f8ac1c3d2",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/173c60d1eff911c9c54322704623a45561d3241d",
+                "reference": "173c60d1eff911c9c54322704623a45561d3241d",
                 "shasum": ""
             },
             "require": {
@@ -305,7 +305,7 @@
             ],
             "support": {
                 "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
-                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.46.0"
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.47.1"
             },
             "funding": [
                 {
@@ -313,7 +313,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-01-03T21:38:46+00:00"
+            "time": "2024-01-16T18:54:21+00:00"
         },
         {
             "name": "psr/container",
diff --git a/app/Http/Controllers/Import/ConversionController.php b/app/Http/Controllers/Import/ConversionController.php
index befede46..1fd5c882 100644
--- a/app/Http/Controllers/Import/ConversionController.php
+++ b/app/Http/Controllers/Import/ConversionController.php
@@ -108,7 +108,7 @@ class ConversionController extends Controller
             }
             if ('camt' === $contentType) {
                 app('log')->debug('Create CAMT routine manager.');
-                $routine = new CAMTRoutineManager($identifier);
+                $routine = new CamtRoutineManager($identifier);
             }
         }
         if ('nordigen' === $flow) {
@@ -158,7 +158,7 @@ class ConversionController extends Controller
                 $routine = new CSVRoutineManager($identifier);
             }
             if ('camt' === $contentType) {
-                $routine = new CAMTRoutineManager($identifier); // why do we need this one?
+                $routine = new CamtRoutineManager($identifier); // why do we need this one?
             }
         }
         if ('nordigen' === $flow) {
diff --git a/app/Services/CSV/Converter/Amount.php b/app/Services/CSV/Converter/Amount.php
index 6e5015d1..504e8c5b 100644
--- a/app/Services/CSV/Converter/Amount.php
+++ b/app/Services/CSV/Converter/Amount.php
@@ -81,7 +81,9 @@ class Amount implements ConverterInterface
 
         // decimal character still null? Search from the left for '.',',' or ' '.
         if (null === $decimal) {
-            $decimal = $this->findFromLeft($value);
+            // See issue #8404
+            // $decimal = $this->findFromLeft($value);
+            app('log')->debug('Disabled "findFromLeft" because it happens more often that "1.000" is thousand than "1.000" is 1 with three zeroes.');
         }
 
         // if decimal is dot, replace all comma's and spaces with nothing
diff --git a/app/Services/Camt/Conversion/TransactionMapper.php b/app/Services/Camt/Conversion/TransactionMapper.php
index ede2ba0d..eaa17e00 100644
--- a/app/Services/Camt/Conversion/TransactionMapper.php
+++ b/app/Services/Camt/Conversion/TransactionMapper.php
@@ -499,12 +499,19 @@ class TransactionMapper
                     break;
 
                 case 'amount':
-                    $current['amount']       = null;
+                    // #8367 default amount = 0
+                    $current['amount']       = 0;
+                    app('log')->debug(sprintf('Start with amount at zero ("%s")', $current['amount']));
                     if ('group' === $groupHandling || 'split' === $groupHandling) {
                         // if multiple values, use biggest (... at index 0?)
                         // TODO this will never work because $current['amount'] is NULL the first time and abs() can't handle that.
                         foreach ($data['data'] as $amount) {
-                            if (abs($current['amount']) < abs($amount) || null === $current['amount']) {
+                            if(null === $amount) {
+                                // #8367 skip null values
+                                continue;
+                            }
+                            if (abs($current['amount']) < abs($amount)) {
+                                app('log')->debug(sprintf('Amount is now "%s" instead of "%s"', $amount, $current['amount']));
                                 $current['amount'] = $amount;
                             }
                         }
@@ -512,12 +519,22 @@ class TransactionMapper
                     if ('single' === $groupHandling) {
                         // if multiple values, use smallest (... at index 1?)
                         foreach ($data['data'] as $amount) {
+                            // #8367 skip null values
+                            if(null === $amount) {
+                                continue;
+                            }
                             // check for null first, should prevent null pointers in abs()
-                            if (null === $current['amount'] && null !== $amount && abs($current['amount']) > abs($amount)) {
+                            if (abs($current['amount']) < abs($amount)) {
+                                app('log')->debug(sprintf('Amount is now "%s" instead of "%s"', $amount, $current['amount']));
                                 $current['amount'] = $amount;
                             }
                         }
                     }
+                    if(0 === bccomp('0', (string)$current['amount'])) {
+                        app('log')->debug('Amount is ZERO, zet to NULL');
+                        $current['amount'] = null;
+                    }
+                    app('log')->debug(sprintf('Final amount is "%s"', $amount));
 
                     break;
 
diff --git a/config/app.php b/config/app.php
index 95468cf2..91f074ca 100644
--- a/config/app.php
+++ b/config/app.php
@@ -22,7 +22,69 @@
 
 declare(strict_types=1);
 
+use App\Providers\AppServiceProvider;
+use App\Providers\EventServiceProvider;
+use App\Providers\RouteServiceProvider;
 use App\Support\Facades\Steam;
+use Illuminate\Auth\AuthServiceProvider;
+use Illuminate\Auth\Passwords\PasswordResetServiceProvider;
+use Illuminate\Broadcasting\BroadcastServiceProvider;
+use Illuminate\Bus\BusServiceProvider;
+use Illuminate\Cache\CacheServiceProvider;
+use Illuminate\Cookie\CookieServiceProvider;
+use Illuminate\Database\DatabaseServiceProvider;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Encryption\EncryptionServiceProvider;
+use Illuminate\Filesystem\FilesystemServiceProvider;
+use Illuminate\Foundation\Providers\ConsoleSupportServiceProvider;
+use Illuminate\Foundation\Providers\FoundationServiceProvider;
+use Illuminate\Hashing\HashServiceProvider;
+use Illuminate\Mail\MailServiceProvider;
+use Illuminate\Notifications\NotificationServiceProvider;
+use Illuminate\Pagination\PaginationServiceProvider;
+use Illuminate\Pipeline\PipelineServiceProvider;
+use Illuminate\Queue\QueueServiceProvider;
+use Illuminate\Redis\RedisServiceProvider;
+use Illuminate\Session\SessionServiceProvider;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\Facades\Broadcast;
+use Illuminate\Support\Facades\Bus;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Cookie;
+use Illuminate\Support\Facades\Crypt;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Gate;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Lang;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Mail;
+use Illuminate\Support\Facades\Notification;
+use Illuminate\Support\Facades\Password;
+use Illuminate\Support\Facades\Queue;
+use Illuminate\Support\Facades\Redirect;
+use Illuminate\Support\Facades\Redis;
+use Illuminate\Support\Facades\Request;
+use Illuminate\Support\Facades\Response;
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Support\Facades\Session;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Facades\URL;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Facades\View;
+use Illuminate\Support\Str;
+use Illuminate\Translation\TranslationServiceProvider;
+use Illuminate\Validation\ValidationServiceProvider;
+use Illuminate\View\ViewServiceProvider;
+use TwigBridge\Facade\Twig;
+use TwigBridge\ServiceProvider;
 
 return [
     /*
@@ -159,38 +221,38 @@ return [
 
     'providers'       => [
         // Laravel Framework Service Providers...
-        Illuminate\Auth\AuthServiceProvider::class,
-        Illuminate\Broadcasting\BroadcastServiceProvider::class,
-        Illuminate\Bus\BusServiceProvider::class,
-        Illuminate\Cache\CacheServiceProvider::class,
-        Illuminate\Foundation\Providers\ConsoleSupportServiceProvider::class,
-        Illuminate\Cookie\CookieServiceProvider::class,
-        Illuminate\Database\DatabaseServiceProvider::class,
-        Illuminate\Encryption\EncryptionServiceProvider::class,
-        Illuminate\Filesystem\FilesystemServiceProvider::class,
-        Illuminate\Foundation\Providers\FoundationServiceProvider::class,
-        Illuminate\Hashing\HashServiceProvider::class,
-        Illuminate\Mail\MailServiceProvider::class,
-        Illuminate\Notifications\NotificationServiceProvider::class,
-        Illuminate\Pagination\PaginationServiceProvider::class,
-        Illuminate\Pipeline\PipelineServiceProvider::class,
-        Illuminate\Queue\QueueServiceProvider::class,
-        Illuminate\Redis\RedisServiceProvider::class,
-        Illuminate\Auth\Passwords\PasswordResetServiceProvider::class,
-        Illuminate\Session\SessionServiceProvider::class,
-        Illuminate\Translation\TranslationServiceProvider::class,
-        Illuminate\Validation\ValidationServiceProvider::class,
-        Illuminate\View\ViewServiceProvider::class,
+        AuthServiceProvider::class,
+        BroadcastServiceProvider::class,
+        BusServiceProvider::class,
+        CacheServiceProvider::class,
+        ConsoleSupportServiceProvider::class,
+        CookieServiceProvider::class,
+        DatabaseServiceProvider::class,
+        EncryptionServiceProvider::class,
+        FilesystemServiceProvider::class,
+        FoundationServiceProvider::class,
+        HashServiceProvider::class,
+        MailServiceProvider::class,
+        NotificationServiceProvider::class,
+        PaginationServiceProvider::class,
+        PipelineServiceProvider::class,
+        QueueServiceProvider::class,
+        RedisServiceProvider::class,
+        PasswordResetServiceProvider::class,
+        SessionServiceProvider::class,
+        TranslationServiceProvider::class,
+        ValidationServiceProvider::class,
+        ViewServiceProvider::class,
 
         // Package Service Providers...
-        TwigBridge\ServiceProvider::class,
+        ServiceProvider::class,
 
         // Application Service Providers...
-        App\Providers\AppServiceProvider::class,
+        AppServiceProvider::class,
         App\Providers\AuthServiceProvider::class,
         // App\Providers\BroadcastServiceProvider::class,
-        App\Providers\EventServiceProvider::class,
-        App\Providers\RouteServiceProvider::class,
+        EventServiceProvider::class,
+        RouteServiceProvider::class,
     ],
 
     /*
@@ -206,42 +268,42 @@ return [
 
     'aliases'         => [
         'App'          => Illuminate\Support\Facades\App::class,
-        'Arr'          => Illuminate\Support\Arr::class,
-        'Artisan'      => Illuminate\Support\Facades\Artisan::class,
-        'Auth'         => Illuminate\Support\Facades\Auth::class,
-        'Blade'        => Illuminate\Support\Facades\Blade::class,
-        'Broadcast'    => Illuminate\Support\Facades\Broadcast::class,
-        'Bus'          => Illuminate\Support\Facades\Bus::class,
-        'Cache'        => Illuminate\Support\Facades\Cache::class,
-        'Config'       => Illuminate\Support\Facades\Config::class,
-        'Cookie'       => Illuminate\Support\Facades\Cookie::class,
-        'Crypt'        => Illuminate\Support\Facades\Crypt::class,
-        'DB'           => Illuminate\Support\Facades\DB::class,
-        'Eloquent'     => Illuminate\Database\Eloquent\Model::class,
-        'Event'        => Illuminate\Support\Facades\Event::class,
-        'File'         => Illuminate\Support\Facades\File::class,
-        'Gate'         => Illuminate\Support\Facades\Gate::class,
-        'Hash'         => Illuminate\Support\Facades\Hash::class,
-        'Http'         => Illuminate\Support\Facades\Http::class,
-        'Lang'         => Illuminate\Support\Facades\Lang::class,
-        'Log'          => Illuminate\Support\Facades\Log::class,
-        'Mail'         => Illuminate\Support\Facades\Mail::class,
-        'Notification' => Illuminate\Support\Facades\Notification::class,
-        'Password'     => Illuminate\Support\Facades\Password::class,
-        'Queue'        => Illuminate\Support\Facades\Queue::class,
-        'Redirect'     => Illuminate\Support\Facades\Redirect::class,
-        'Redis'        => Illuminate\Support\Facades\Redis::class,
-        'Request'      => Illuminate\Support\Facades\Request::class,
-        'Response'     => Illuminate\Support\Facades\Response::class,
-        'Route'        => Illuminate\Support\Facades\Route::class,
-        'Schema'       => Illuminate\Support\Facades\Schema::class,
-        'Session'      => Illuminate\Support\Facades\Session::class,
-        'Storage'      => Illuminate\Support\Facades\Storage::class,
-        'Str'          => Illuminate\Support\Str::class,
-        'URL'          => Illuminate\Support\Facades\URL::class,
-        'Validator'    => Illuminate\Support\Facades\Validator::class,
-        'View'         => Illuminate\Support\Facades\View::class,
-        'Twig'         => TwigBridge\Facade\Twig::class,
+        'Arr'          => Arr::class,
+        'Artisan'      => Artisan::class,
+        'Auth'         => Auth::class,
+        'Blade'        => Blade::class,
+        'Broadcast'    => Broadcast::class,
+        'Bus'          => Bus::class,
+        'Cache'        => Cache::class,
+        'Config'       => Config::class,
+        'Cookie'       => Cookie::class,
+        'Crypt'        => Crypt::class,
+        'DB'           => DB::class,
+        'Eloquent'     => Model::class,
+        'Event'        => Event::class,
+        'File'         => File::class,
+        'Gate'         => Gate::class,
+        'Hash'         => Hash::class,
+        'Http'         => Http::class,
+        'Lang'         => Lang::class,
+        'Log'          => Log::class,
+        'Mail'         => Mail::class,
+        'Notification' => Notification::class,
+        'Password'     => Password::class,
+        'Queue'        => Queue::class,
+        'Redirect'     => Redirect::class,
+        'Redis'        => Redis::class,
+        'Request'      => Request::class,
+        'Response'     => Response::class,
+        'Route'        => Route::class,
+        'Schema'       => Schema::class,
+        'Session'      => Session::class,
+        'Storage'      => Storage::class,
+        'Str'          => Str::class,
+        'URL'          => URL::class,
+        'Validator'    => Validator::class,
+        'View'         => View::class,
+        'Twig'         => Twig::class,
         'Steam'        => Steam::class,
     ],
 ];
diff --git a/config/auth.php b/config/auth.php
index 379b21cf..65d536a2 100644
--- a/config/auth.php
+++ b/config/auth.php
@@ -21,6 +21,7 @@
  */
 
 declare(strict_types=1);
+use App\User;
 
 return [
     /*
@@ -96,7 +97,7 @@ return [
     'providers'        => [
         'users' => [
             'driver' => 'eloquent',
-            'model'  => App\User::class,
+            'model'  => User::class,
         ],
 
         // 'users' => [
diff --git a/phpunit.xml b/phpunit.xml
index 53bcd9f3..c5f0d889 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -19,41 +19,31 @@
   ~ You should have received a copy of the GNU Affero General Public License
   ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
   -->
-
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="tests/bootstrap.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false">
-    <testsuites>
-        <testsuite name="Unit">
-            <directory suffix="Test.php">./tests/Unit</directory>
-        </testsuite>
-
-        <testsuite name="Feature">
-            <directory suffix="Test.php">./tests/Feature</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">./app</directory>
-        </whitelist>
-    </filter>
-    <php>
-        <server name="APP_ENV" value="testing"/>
-        <server name="BCRYPT_ROUNDS" value="4"/>
-        <server name="CACHE_DRIVER" value="array"/>
-        <server name="MAIL_DRIVER" value="array"/>
-        <server name="QUEUE_CONNECTION" value="sync"/>
-        <server name="SESSION_DRIVER" value="array"/>
-        <server name="APP_CONFIG_CACHE" value="bootstrap/cache/config.phpunit.php"/>
-        <server name="APP_SERVICES_CACHE" value="bootstrap/cache/services.phpunit.php"/>
-        <server name="APP_PACKAGES_CACHE" value="bootstrap/cache/packages.phpunit.php"/>
-        <server name="APP_ROUTES_CACHE" value="bootstrap/cache/routes.phpunit.php"/>
-        <server name="APP_EVENTS_CACHE" value="bootstrap/cache/events.phpunit.php"/>
-    </php>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" bootstrap="tests/bootstrap.php" colors="true" processIsolation="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="Unit">
+      <directory suffix="Test.php">./tests/Unit</directory>
+    </testsuite>
+    <testsuite name="Feature">
+      <directory suffix="Test.php">./tests/Feature</directory>
+    </testsuite>
+  </testsuites>
+  <php>
+    <server name="APP_ENV" value="testing"/>
+    <server name="BCRYPT_ROUNDS" value="4"/>
+    <server name="CACHE_DRIVER" value="array"/>
+    <server name="MAIL_DRIVER" value="array"/>
+    <server name="QUEUE_CONNECTION" value="sync"/>
+    <server name="SESSION_DRIVER" value="array"/>
+    <server name="APP_CONFIG_CACHE" value="bootstrap/cache/config.phpunit.php"/>
+    <server name="APP_SERVICES_CACHE" value="bootstrap/cache/services.phpunit.php"/>
+    <server name="APP_PACKAGES_CACHE" value="bootstrap/cache/packages.phpunit.php"/>
+    <server name="APP_ROUTES_CACHE" value="bootstrap/cache/routes.phpunit.php"/>
+    <server name="APP_EVENTS_CACHE" value="bootstrap/cache/events.phpunit.php"/>
+  </php>
+  <source>
+    <include>
+      <directory suffix=".php">./app</directory>
+    </include>
+  </source>
 </phpunit>
diff --git a/tests/Feature/ExampleTest.php b/tests/Feature/ExampleTest.php
index 0d14cca5..84b2eca3 100644
--- a/tests/Feature/ExampleTest.php
+++ b/tests/Feature/ExampleTest.php
@@ -40,6 +40,6 @@ final class ExampleTest extends TestCase
     {
         $response = $this->get('/');
 
-        $response->assertStatus(200);
+        $response->assertStatus(302);
     }
 }
diff --git a/tests/Unit/Services/CSV/Converter/AmountTest.php b/tests/Unit/Services/CSV/Converter/AmountTest.php
new file mode 100644
index 00000000..1bb8cfb6
--- /dev/null
+++ b/tests/Unit/Services/CSV/Converter/AmountTest.php
@@ -0,0 +1,59 @@
+<?php
+/*
+ * AmountTest.php
+ * Copyright (c) 2024 james@firefly-iii.org
+ *
+ * This file is part of the Firefly III Data Importer
+ * (https://github.com/firefly-iii/data-importer).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Services\CSV\Converter;
+
+use App\Services\CSV\Converter\Amount;
+use Tests\TestCase;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+final class AmountTest extends TestCase
+{
+    /**
+     * A basic test example.
+     */
+    public function testBasicTest(): void
+    {
+        $amount = new Amount();
+
+        self::assertSame('0', $amount->convert('0'));
+        self::assertSame('0.0', $amount->convert('0.0'));
+        self::assertSame('0.1', $amount->convert('0.1'));
+        self::assertSame('0.1', $amount->convert(0.1));
+        self::assertSame('1', $amount->convert(1));
+        self::assertSame('1', $amount->convert('1'));
+        self::assertSame('1.0', $amount->convert('1.0'));
+
+        self::assertSame('1000.000000000000', $amount->convert('1000,-'));
+        self::assertSame('1000.00', $amount->convert('1000,00'));
+        self::assertSame('1000.00', $amount->convert('1.000,00'));
+        self::assertSame('1000', $amount->convert('1.000,'));
+        self::assertSame('1000', $amount->convert('1.000'));
+        self::assertSame('1.00', $amount->convert('1.00'));
+    }
+}