diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2288f591c..6201e6c50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@
 ---
 
 ## Neste versjon
+
+## Versjon 2023.10.23
+- ⚡ **Brukere** HS kan styre medlemmer
 - ✨ **Bannere** Filtrering på bannere
 - ✨ **Spørreskjemaer** NOK medlemmer kan lage spørreskjema.
 - ⚡ **Bruker** Nå kan ikke HS lenger endre eller slette brukere.
diff --git a/app/content/exceptions.py b/app/content/exceptions.py
index ff83e3f28..07eae9f42 100644
--- a/app/content/exceptions.py
+++ b/app/content/exceptions.py
@@ -2,6 +2,11 @@
 from rest_framework.exceptions import APIException
 
 
+class APIPaidEventCantBeChangedToFreeEventException(APIException):
+    status_code = status.HTTP_400_BAD_REQUEST
+    default_detail = "Arrangementet er et betalt arrangement, og kan ikke endres til et gratis arrangement"
+
+
 class APIUserAlreadyAttendedEvent(APIException):
     status_code = status.HTTP_400_BAD_REQUEST
     default_detail = "Brukeren har allerede ankommet"
diff --git a/app/content/models/registration.py b/app/content/models/registration.py
index 0f3a249fb..5af2be1ad 100644
--- a/app/content/models/registration.py
+++ b/app/content/models/registration.py
@@ -109,7 +109,6 @@ def admin_unregister(self, *args, **kwargs):
     def save(self, *args, **kwargs):
         if not self.registration_id:
             self.create()
-            self.send_notification_and_mail()
 
         if (
             self.event.is_full
@@ -118,6 +117,7 @@ def save(self, *args, **kwargs):
         ):
             raise EventIsFullError
 
+        self.send_notification_and_mail()
         return super().save(*args, **kwargs)
 
     def create(self):
diff --git a/app/content/models/user.py b/app/content/models/user.py
index 57555e9f8..26e3a4b9a 100644
--- a/app/content/models/user.py
+++ b/app/content/models/user.py
@@ -56,7 +56,7 @@ def create_superuser(self, user_id, password):
 
 
 class User(AbstractBaseUser, PermissionsMixin, BaseModel, OptionalImage):
-    write_access = [AdminGroup.INDEX]
+    write_access = AdminGroup.admin()
     read_access = [Groups.TIHLDE]
 
     user_id = models.CharField(max_length=15, primary_key=True)
@@ -161,7 +161,6 @@ def has_unanswered_evaluations_for(self, event):
         return self.get_unanswered_evaluations().filter(event=event).exists()
 
     def get_unanswered_evaluations(self):
-
         from app.forms.models.forms import EventForm, EventFormType
 
         date_30_days_ago = now() - timedelta(days=30)
diff --git a/app/content/serializers/event.py b/app/content/serializers/event.py
index b18230a8e..a31c89dca 100644
--- a/app/content/serializers/event.py
+++ b/app/content/serializers/event.py
@@ -5,6 +5,7 @@
 
 from app.common.enums import GroupType
 from app.common.serializers import BaseModelSerializer
+from app.content.exceptions import APIPaidEventCantBeChangedToFreeEventException
 from app.content.models import Event, PriorityPool
 from app.content.serializers.priority_pool import (
     PriorityPoolCreateSerializer,
@@ -178,10 +179,7 @@ def update(self, instance, validated_data):
             )
 
         if event.is_paid_event and not len(paid_information_data):
-            paid_event = PaidEvent.objects.get(event=event)
-            if paid_event:
-                paid_event.delete()
-                event.paid_information = None
+            raise APIPaidEventCantBeChangedToFreeEventException()
 
         if len(paid_information_data):
             self.update_paid_information(event, paid_information_data)
diff --git a/app/content/views/registration.py b/app/content/views/registration.py
index d899e2031..4dfd3437b 100644
--- a/app/content/views/registration.py
+++ b/app/content/views/registration.py
@@ -3,6 +3,8 @@
 from rest_framework.exceptions import PermissionDenied
 from rest_framework.response import Response
 
+from sentry_sdk import capture_exception
+
 from app.common.pagination import BasePagination
 from app.common.permissions import BasicViewPermission, is_admin_user
 from app.common.viewsets import BaseViewSet
@@ -67,9 +69,15 @@ def create(self, request, *args, **kwargs):
 
         try:
             create_payment_order(event, request, registration)
-        except Exception as e:
+        except Exception as order_error:
+            capture_exception(order_error)
             registration.delete()
-            raise e
+            return Response(
+                {
+                    "detail": "Det skjedde en feil med opprettelse av betalingsordre. Påmeldingen ble ikke fullført."
+                },
+                status=status.HTTP_400_BAD_REQUEST,
+            )
 
         registration_serializer = RegistrationSerializer(
             registration, context={"user": registration.user}
diff --git a/app/settings.py b/app/settings.py
index a6b0176ac..73ab2432e 100644
--- a/app/settings.py
+++ b/app/settings.py
@@ -282,6 +282,7 @@
 
 DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
 
-CELERY_BROKER_URL = "amqp://guest:guest@rabbitmq:5672"
+CELERY_BROKER_URL = os.environ.get("CELERY_BROKER_URL") or "amqp://guest:guest@rabbitmq:5672"
+
 if ENVIRONMENT == EnvironmentOptions.LOCAL:
     CELERY_TASK_ALWAYS_EAGER = False
diff --git a/app/tests/content/test_user_integration.py b/app/tests/content/test_user_integration.py
index d572c2f4e..27930833c 100644
--- a/app/tests/content/test_user_integration.py
+++ b/app/tests/content/test_user_integration.py
@@ -182,7 +182,6 @@ def test_filter_only_users_with_active_strikes(
     ],
 )
 def test_user_actions_self(url, status_code, member, api_client):
-
     url = f"{API_USER_BASE_URL}me{url}"
     client = api_client(user=member)
 
@@ -341,7 +340,7 @@ def test_update_other_user_as_hs_user(member, user, api_client):
     url = _get_user_detail_url(user)
     response = client.put(url, data)
 
-    assert response.status_code == status.HTTP_403_FORBIDDEN
+    assert response.status_code == status.HTTP_200_OK
 
 
 def test_update_other_user_as_index_user(member, user, api_client):
@@ -459,7 +458,7 @@ def test_destroy_other_user_as_hs_user(member, user, api_client):
     url = _get_user_detail_url(user)
     response = client.delete(url)
 
-    assert response.status_code == status.HTTP_403_FORBIDDEN
+    assert response.status_code == status.HTTP_200_OK
 
 
 def test_destroy_other_user_as_index_user(member, user, api_client):
diff --git a/app/tests/payment/test_paid_event_integration.py b/app/tests/payment/test_paid_event_integration.py
index d33370828..a759cdfa5 100644
--- a/app/tests/payment/test_paid_event_integration.py
+++ b/app/tests/payment/test_paid_event_integration.py
@@ -28,6 +28,7 @@ def get_paid_event_data(
     organizer=None,
     price=100.00,
     paytime="01:00:00",
+    is_paid_event=True,
 ):
     start_date = timezone.now() + timedelta(days=10)
     end_date = timezone.now() + timedelta(days=11)
@@ -36,7 +37,7 @@ def get_paid_event_data(
         "location": location,
         "start_date": start_date,
         "end_date": end_date,
-        "is_paid_event": True,
+        "is_paid_event": is_paid_event,
         "paid_information": {"price": price, "paytime": paytime},
     }
     if organizer:
@@ -52,7 +53,7 @@ def _get_registration_post_data(user, event):
 
 
 def get_paid_event_without_price_data(
-    title="New Title", location="New Location", organizer=None
+    title="New Title", location="New Location", organizer=None, is_paid_event=True
 ):
     start_date = timezone.now() + timedelta(days=10)
     end_date = timezone.now() + timedelta(days=11)
@@ -61,7 +62,7 @@ def get_paid_event_without_price_data(
         "location": location,
         "start_date": start_date,
         "end_date": end_date,
-        "is_paid_event": True,
+        "is_paid_event": is_paid_event,
     }
     if organizer:
         data["organizer"] = organizer
@@ -134,21 +135,24 @@ def test_update_paid_event_as_admin(admin_user):
     assert float(response.data["paid_information"]["price"]) == new_event_price
 
 
-# @pytest.mark.django_db
-# def test_delete_paid_event_as_admin(admin_user, paid_event):
-#     client = get_api_client(user=admin_user)
-#     event = paid_event.event
+@pytest.mark.django_db
+def test_update_paid_event_to_free_event_as_admin(admin_user):
+    """
+    HS and Index members should not be able to update a paid event to a free event.
+    Other subgroup members can update paid events where event.organizer is their group or None.
+    Leaders of committees and interest groups should be able to
+    update events where event.organizer is their group or None.
+    """
 
-#     url = _get_registration_url(event=event)
-#     data = _get_registration_post_data(admin_user, event)
-#     response = client.post(url, data=data)
-#     assert response.status_code == 201
+    paid_event = PaidEventFactory(price=100.00)
+    event = paid_event.event
+    organizer = Group.objects.get_or_create(name="HS", type=GroupType.BOARD)[0]
+    client = get_api_client(user=admin_user)
+    url = get_events_url_detail(event)
+    data = get_paid_event_data(organizer=organizer.slug, is_paid_event=False)
 
-#     url = get_events_url_detail(event)
-#     event_response = client.delete(url)
-#     paid_events = PaidEvent.objects.all()
-#     orders = Order.objects.all()
+    response = client.put(url, data)
+    event.refresh_from_db()
 
-#     assert event_response.status_code == 200
-#     assert len(paid_events) == 0
-#     assert len(orders) == 0
+    assert response.status_code == 400
+    assert event.is_paid_event