diff --git a/abonapp/views.py b/abonapp/views.py
index 8b4975d..61b08f3 100644
--- a/abonapp/views.py
+++ b/abonapp/views.py
@@ -8,7 +8,7 @@ from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.mixins import LoginRequiredMixin, \
-    PermissionRequiredMixin as PermissionRequiredMixin_django
+    PermissionRequiredMixin as PermissionRequiredMixin_django, PermissionRequiredMixin
 from django.core.exceptions import PermissionDenied, ValidationError
 from django.db import IntegrityError, ProgrammingError, transaction, \
     OperationalError, DatabaseError
@@ -25,7 +25,7 @@ from djing import lib
 from djing import ping
 from djing.global_base_views import OrderedFilteredList, SecureApiView
 from djing.lib.decorators import json_view, only_admins
-from djing.lib.mixins import OnlyAdminsMixin, LoginAdminPermissionMixin
+from djing.lib.mixins import OnlyAdminsMixin, LoginAdminPermissionMixin, LoginAdminMixin
 from group_app.models import Group
 from guardian.decorators import \
     permission_required_or_403 as permission_required
@@ -155,7 +155,7 @@ class AbonCreateView(LoginRequiredMixin, OnlyAdminsMixin,
         return super(AbonCreateView, self).form_invalid(form)
 
 
-class DelAbonDeleteView(LoginAdminPermissionMixin, DeleteView):
+class DelAbonDeleteView(LoginAdminMixin, PermissionRequiredMixin, DeleteView):
     permission_required = 'abonapp.delete_abon'
     model = models.Abon
     slug_url_kwarg = 'uname'
@@ -304,7 +304,7 @@ def abon_services(request, gid: int, uname):
     })
 
 
-class AbonHomeUpdateView(LoginAdminPermissionMixin, UpdateView):
+class AbonHomeUpdateView(LoginAdminMixin, PermissionRequiredMixin, UpdateView):
     permission_required = 'abonapp.view_abon'
     model = models.Abon
     form_class = forms.AbonForm
diff --git a/gw_app/nas_managers/mod_mikrotik.py b/gw_app/nas_managers/mod_mikrotik.py
index 30e13a0..c7b985d 100644
--- a/gw_app/nas_managers/mod_mikrotik.py
+++ b/gw_app/nas_managers/mod_mikrotik.py
@@ -411,8 +411,9 @@ class MikrotikTransmitter(core.BaseTransmitter, ApiRos,
     def remove_user(self, queue: i_structs.SubnetQueue):
         self.remove_queue(queue)
         r = self.find_ip(queue.network, LIST_USERS_ALLOWED)
-        ip_id = r.get('=.id')
-        self.remove_ip(ip_id)
+        if r:
+            ip_id = r.get('=.id')
+            self.remove_ip(ip_id)
 
     def update_user(self, queue: i_structs.SubnetQueue, *args):
         if queue.is_access: