diff --git a/src/registrar/models/domain.py b/src/registrar/models/domain.py
index 079fce3bc..fa499893c 100644
--- a/src/registrar/models/domain.py
+++ b/src/registrar/models/domain.py
@@ -325,6 +325,7 @@ class Domain(TimeStampedModel, DomainHelper):
         Subordinate hosts (something.your-domain.gov) MUST have IP addresses,
         while non-subordinate hosts MUST NOT.
         """
+        raise ValueError("test")
         try:
             # attempt to retrieve hosts from registry and store in cache and db
             hosts = self._get_property("hosts")
diff --git a/src/registrar/views/utility/permission_views.py b/src/registrar/views/utility/permission_views.py
index f2752c3b5..f086747f8 100644
--- a/src/registrar/views/utility/permission_views.py
+++ b/src/registrar/views/utility/permission_views.py
@@ -2,6 +2,7 @@
 
 import abc  # abstract base class
 
+from django.conf import settings
 from django.views.generic import DetailView, DeleteView, TemplateView
 from registrar.models import Domain, DomainRequest, DomainInvitation
 from registrar.models.user_domain_role import UserDomainRole
@@ -31,6 +32,16 @@ class DomainPermissionView(DomainPermission, DetailView, abc.ABC):
     # variable name in template context for the model object
     context_object_name = "domain"
 
+    def dispatch(self, request, *args, **kwargs):
+        """
+        Custom implementation of dispatch to ensure that 500 error pages (and others)
+        have access to the IS_PRODUCTION flag
+        """
+        if "IS_PRODUCTION" not in request.session:
+            # Pass the production flag to the context
+            request.session["IS_PRODUCTION"] = settings.IS_PRODUCTION
+        return super().dispatch(request, *args, **kwargs)
+
     # Adds context information for user permissions
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)