add the IntegrityError chech to user_create

inventory/views.py

@@ -16,7 +16,7 @@ from urllib.parse import urlparse, urlunparse
 
 #####################################################################
 from inventory.models import Status as LeadStatus
-
+from django.db import IntegrityError
 from background_task.models import Task
 from django.db.models.deletion import RestrictedError
 from django.http.response import StreamingHttpResponse
@@ -2691,12 +2691,18 @@ class UserCreateView(
 
         email = form.cleaned_data["email"]
         password = "Tenhal@123"
-
-        user = User.objects.create_user(
-            username=email, email=email, password=password
-        )
-        user.is_staff = True
-        user.save()
+        try:
+            user = User.objects.create_user(
+                username=email, email=email, password=password
+            )
+            user.is_staff = True
+            user.save()
+        except IntegrityError as e:
+            messages.error(
+                self.request,
+                _("A user with this email already exists. Please use a different email."),
+            )
+            return redirect("user_create")
         staff_member = StaffMember.objects.create(user=user)
         for service in form.cleaned_data["service_offered"]:
             staff_member.services_offered.add(service)