diff --git a/app/Initialize/InitializeActivities.php b/app/Initialize/InitializeActivities.php
new file mode 100644
index 00000000..f1fe452c
--- /dev/null
+++ b/app/Initialize/InitializeActivities.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Initialize;
+
+use DB;
+use Zoomyboy\LaravelNami\Api;
+
+class InitializeActivities
+{
+    private Api $api;
+
+    public function __construct(Api $api)
+    {
+        $this->api = $api;
+    }
+
+    public function handle(): void
+    {
+        $groupId = $this->api->groups()->first()->id;
+        app(ActivityCreator::class)->createFor($this->api, $groupId);
+    }
+
+    public function restore(): void
+    {
+        DB::table('activity_subactivity')->delete();
+        DB::table('activities')->delete();
+        DB::table('subactivities')->delete();
+    }
+}
diff --git a/app/Initialize/Initializer.php b/app/Initialize/Initializer.php
index b8c172a3..bba23c5a 100644
--- a/app/Initialize/Initializer.php
+++ b/app/Initialize/Initializer.php
@@ -15,6 +15,7 @@ class Initializer
         InitializeGroups::class,
         InitializeNationalities::class,
         InitializeFees::class,
+        InitializeActivities::class,
         InitializeConfessions::class,
         InitializeCountries::class,
         InitializeGenders::class,
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 00000000..baebd67a
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,11 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Access to an undefined property Zoomyboy\\\\LaravelNami\\\\Member\\:\\:\\$first_activity_id\\.$#"
+			count: 1
+			path: packages/laravel-nami/src/Member.php
+
+		-
+			message: "#^Access to an undefined property Zoomyboy\\\\LaravelNami\\\\Member\\:\\:\\$first_subactivity_id\\.$#"
+			count: 1
+			path: packages/laravel-nami/src/Member.php
diff --git a/phpstan.neon b/phpstan.neon
index a2e92933..fc960dbd 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -260,11 +260,6 @@ parameters:
             count: 1
             path: app/Member/Member.php
 
-        -
-            message: "#^Job class App\\\\Member\\\\DeleteJob constructor invoked with 2 parameters in App\\\\Member\\\\DeleteJob\\:\\:dispatch\\(\\), 1 required\\.$#"
-            count: 1
-            path: app/Member/MemberController.php
-
         -
             message: "#^Property App\\\\Member\\\\MemberController\\:\\:\\$filter type has no value type specified in iterable type array\\.$#"
             count: 1
@@ -295,11 +290,6 @@ parameters:
             count: 1
             path: app/Membership/MembershipResource.php
 
-        -
-            message: "#^Method App\\\\Membership\\\\Requests\\\\StoreRequest\\:\\:rules\\(\\) return type has no value type specified in iterable type array\\.$#"
-            count: 1
-            path: app/Membership/Requests/StoreRequest.php
-
         -
             message: "#^Method App\\\\Payment\\\\PaymentResource\\:\\:toArray\\(\\) return type has no value type specified in iterable type array\\.$#"
             count: 1
@@ -464,11 +454,6 @@ parameters:
             count: 1
             path: tests/Feature/Pdf/GenerateTest.php
 
-        -
-            message: "#^Method Tests\\\\TestCase\\:\\:assertErrors\\(\\) has parameter \\$errors with no value type specified in iterable type array\\.$#"
-            count: 1
-            path: tests/TestCase.php
-
         -
             message: "#^PHPDoc tag @param has invalid value \\(\\<class\\-string\\> \\$class\\)\\: Unexpected token \"\\<\", expected type at offset 18$#"
             count: 1
@@ -1153,3 +1138,13 @@ parameters:
             message: "#^Property Zoomyboy\\\\LaravelNami\\\\Tests\\\\Unit\\\\PushMemberTest\\:\\:\\$attributes type has no value type specified in iterable type array\\.$#"
             count: 1
             path: packages/laravel-nami/tests/Unit/PushMemberTest.php
+
+        -
+            message: "#^Access to an undefined property Zoomyboy\\\\LaravelNami\\\\Member\\:\\:\\$first_activity_id\\.$#"
+            count: 1
+            path: packages/laravel-nami/src/Member.php
+
+        -
+            message: "#^Access to an undefined property Zoomyboy\\\\LaravelNami\\\\Member\\:\\:\\$first_subactivity_id\\.$#"
+            count: 1
+            path: packages/laravel-nami/src/Member.php
diff --git a/tests/Feature/Member/IndexTest.php b/tests/Feature/Member/IndexTest.php
index 9294bfe9..8ce340eb 100644
--- a/tests/Feature/Member/IndexTest.php
+++ b/tests/Feature/Member/IndexTest.php
@@ -110,8 +110,8 @@ class IndexTest extends TestCase
         $response = $this->get('/member');
 
         $this->assertInertiaHas([
-            'activity' => $member->memberships->first()->activity_id,
-            'subactivity' => $member->memberships->first()->subactivity_id,
+            'activity_id' => $member->memberships->first()->activity_id,
+            'subactivity_id' => $member->memberships->first()->subactivity_id,
             'activity_name' => '€ Mitglied',
             'subactivity_name' => 'Wölfling',
             'human_date' => '02.11.2022',
diff --git a/tests/Feature/Member/StoreTest.php b/tests/Feature/Member/StoreTest.php
index 68b6dc65..cf608446 100644
--- a/tests/Feature/Member/StoreTest.php
+++ b/tests/Feature/Member/StoreTest.php
@@ -127,7 +127,7 @@ class StoreTest extends TestCase
         $nationality = Nationality::factory()->create();
         $subscription = Subscription::factory()->create();
         $billKind = BillKind::factory()->create();
-        $activity = Activity::factory()->create();
+        $activity = Activity::factory()->create(['name' => '€ Mitglied']);
         $subactivity = Subactivity::factory()->create();
 
         $response = $this
diff --git a/tests/Feature/Member/UpdateTest.php b/tests/Feature/Member/UpdateTest.php
index 109eb2e7..e84e637e 100644
--- a/tests/Feature/Member/UpdateTest.php
+++ b/tests/Feature/Member/UpdateTest.php
@@ -2,16 +2,16 @@
 
 namespace Tests\Feature\Member;
 
+use App\Activity;
 use App\Confession;
 use App\Country;
-use App\Enum\Activity;
-use App\Enum\Subactivity;
 use App\Fee;
 use App\Group;
 use App\Member\Actions\NamiPutMemberAction;
 use App\Member\Member;
 use App\Nationality;
 use App\Payment\Subscription;
+use App\Subactivity;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
 use Illuminate\Support\Facades\Http;
 use Tests\TestCase;