@@ -1230,3 +1230,6 @@ msgstr "Ошибка сообщения"
 
 msgid "Message errors"
 msgstr "Ошибки сообщения"
+
+msgid "The payer does not exist"
+msgstr "Плательщик не существует"
@@ -0,0 +1,6 @@
+from django.utils.translation import gettext as _
+
+
+class PayerNotFound(Exception):
+    def __str__(self) -> str:
+        return _('The payer does not exist')
@@ -9,6 +9,7 @@ from yookassa.domain.models.payment_data.response.payment_data_bank_card import
 )
 
 from authentication.models import CustomUserModel
+from payments.exceptions.payer_not_found import PayerNotFound
 from payments.models.payment import Payment as PaymentModel
 from payments.models.payment_plan import PaymentPlan
 from payments.selectors.payment_method_selector import PaymentMethodSelector
@@ -68,7 +69,10 @@ class PaymentService:
     @classmethod
     def confirm_payment(cls, payment_id: UUID):
         payment = YookassaPayment.find_one(str(payment_id))
-        user = CustomUserModel.objects.get(uid=payment.description)
+        try:
+            user = CustomUserModel.objects.get(uid=payment.description)
+        except CustomUserModel.DoesNotExist:
+            raise PayerNotFound
         if payment.status == 'waiting_for_capture':
             YookassaPayment.capture(str(payment_id))
         elif payment.status == 'succeeded':
@@ -21,6 +21,7 @@ from rest_framework.views import APIView
 from authentication.permissions import IsAnonymous, IsTelegramAirBot
 from authentication.selectors.user_selector import UserSelector
 from payments.exceptions.PlanIsFree import PlanIsFree
+from payments.exceptions.payer_not_found import PayerNotFound
 from payments.models import Invoice
 from payments.models.payment import Payment, PaymentPlan
 from payments.permissions import IsAllowedToPay
@@ -166,10 +167,12 @@ class PaymentConfirmationAPIView(APIView):
     permission_classes = (IsAnonymous,)
 
     def post(self, request, *args, **kwargs):
-        """Endpoint for payment service (Yookassa) WebHook. Hook happens after sucessful payment."""
+        """Endpoint for payment service (Yookassa) WebHook. Hook happens after successful payment."""
         try:
             PaymentPlanService.handle_success_payment(self.request)
             return Response(status=status.HTTP_200_OK)
+        except PayerNotFound as err:
+            return Response({'detail': str(err)}, status=status.HTTP_400_BAD_REQUEST)
         except Exception as err:
             logger.exception(err)
             return Response({'detail': {str(err)}}, status=status.HTTP_400_BAD_REQUEST)