diff --git a/src/registrar/tests/test_views_portfolio.py b/src/registrar/tests/test_views_portfolio.py
index 18fa4174a..4575d8487 100644
--- a/src/registrar/tests/test_views_portfolio.py
+++ b/src/registrar/tests/test_views_portfolio.py
@@ -2243,7 +2243,9 @@ class TestPortfolioMemberDomainsEditView(TestPortfolioMemberDomainsView):
         self.assertRedirects(response, reverse("member-domains", kwargs={"pk": self.portfolio_permission.pk}))
         messages = list(response.wsgi_request._messages)
         self.assertEqual(len(messages), 1)
-        self.assertEqual(str(messages[0]), "Invalid data for added domains.")
+        self.assertEqual(
+            str(messages[0]), "Invalid data for added domains. If the issue persists, please contact help@get.gov."
+        )
 
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
@@ -2264,7 +2266,9 @@ class TestPortfolioMemberDomainsEditView(TestPortfolioMemberDomainsView):
         self.assertRedirects(response, reverse("member-domains", kwargs={"pk": self.portfolio_permission.pk}))
         messages = list(response.wsgi_request._messages)
         self.assertEqual(len(messages), 1)
-        self.assertEqual(str(messages[0]), "Invalid data for removed domains.")
+        self.assertEqual(
+            str(messages[0]), "Invalid data for removed domains. If the issue persists, please contact help@get.gov."
+        )
 
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
@@ -2479,7 +2483,9 @@ class TestPortfolioInvitedMemberEditDomainsView(TestPortfolioInvitedMemberDomain
         self.assertRedirects(response, reverse("invitedmember-domains", kwargs={"pk": self.invitation.pk}))
         messages = list(response.wsgi_request._messages)
         self.assertEqual(len(messages), 1)
-        self.assertEqual(str(messages[0]), "Invalid data for added domains.")
+        self.assertEqual(
+            str(messages[0]), "Invalid data for added domains. If the issue persists, please contact help@get.gov."
+        )
 
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
@@ -2500,7 +2506,9 @@ class TestPortfolioInvitedMemberEditDomainsView(TestPortfolioInvitedMemberDomain
         self.assertRedirects(response, reverse("invitedmember-domains", kwargs={"pk": self.invitation.pk}))
         messages = list(response.wsgi_request._messages)
         self.assertEqual(len(messages), 1)
-        self.assertEqual(str(messages[0]), "Invalid data for removed domains.")
+        self.assertEqual(
+            str(messages[0]), "Invalid data for removed domains. If the issue persists, please contact help@get.gov."
+        )
 
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
diff --git a/src/registrar/views/portfolio_members_json.py b/src/registrar/views/portfolio_members_json.py
index e780273ba..4d66c60c9 100644
--- a/src/registrar/views/portfolio_members_json.py
+++ b/src/registrar/views/portfolio_members_json.py
@@ -1,7 +1,6 @@
 from django.http import JsonResponse
 from django.core.paginator import Paginator
 from django.db.models import Value, F, CharField, TextField, Q, Case, When, OuterRef, Subquery
-from django.contrib.postgres.fields import ArrayField
 from django.db.models.functions import Cast, Coalesce, Concat
 from django.contrib.postgres.aggregates import ArrayAgg
 from django.urls import reverse
@@ -152,7 +151,8 @@ class PortfolioMembersJson(PortfolioMembersPermission, View):
                     # We've pre-concatenated the domain infos to limit the subquery to return a single virtual 'row',
                     # otherwise we'll trigger a "more than one row returned by a subquery used as an expression"
                     # when an email matches multiple domain invitations.
-                    # We'll take care when processing the list of one single concatenated items item in serialize_members
+                    # We'll take care when processing the list of one single concatenated items item
+                    # in serialize_members.
                     Subquery(concatenated_domain_info),
                     distinct=True,
                 )
diff --git a/src/registrar/views/portfolios.py b/src/registrar/views/portfolios.py
index abc596d22..40a2ceae5 100644
--- a/src/registrar/views/portfolios.py
+++ b/src/registrar/views/portfolios.py
@@ -253,14 +253,16 @@ class PortfolioMemberDomainsEditView(PortfolioMemberDomainsEditPermissionView, V
             except IntegrityError:
                 messages.error(
                     request,
-                    f"A database error occurred while saving changes. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}",
+                    "A database error occurred while saving changes. If the issue persists, "
+                    f"please contact {DefaultUserValues.HELP_EMAIL}.",
                 )
                 logger.error("A database error occurred while saving changes.")
                 return redirect(reverse("member-domains-edit", kwargs={"pk": pk}))
             except Exception as e:
                 messages.error(
                     request,
-                    f"An unexpected error occurred: {str(e)}. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}",
+                    "An unexpected error occurred: {str(e)}. If the issue persists, "
+                    f"please contact {DefaultUserValues.HELP_EMAIL}.",
                 )
                 logger.error(f"An unexpected error occurred: {str(e)}")
                 return redirect(reverse("member-domains-edit", kwargs={"pk": pk}))
@@ -277,7 +279,8 @@ class PortfolioMemberDomainsEditView(PortfolioMemberDomainsEditPermissionView, V
         except json.JSONDecodeError:
             messages.error(
                 self.request,
-                f"Invalid data for {domain_type}. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}",
+                "Invalid data for {domain_type}. If the issue persists, "
+                f"please contact {DefaultUserValues.HELP_EMAIL}.",
             )
             logger.error(f"Invalid data for {domain_type}")
             return None
@@ -453,14 +456,16 @@ class PortfolioInvitedMemberDomainsEditView(PortfolioMemberDomainsEditPermission
             except IntegrityError:
                 messages.error(
                     request,
-                    f"A database error occurred while saving changes. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}.",
+                    "A database error occurred while saving changes. If the issue persists, "
+                    f"please contact {DefaultUserValues.HELP_EMAIL}.",
                 )
-                logger.error(f"A database error occurred while saving changes.")
+                logger.error("A database error occurred while saving changes.")
                 return redirect(reverse("invitedmember-domains-edit", kwargs={"pk": pk}))
             except Exception as e:
                 messages.error(
                     request,
-                    f"An unexpected error occurred: {str(e)}. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}",
+                    "An unexpected error occurred: {str(e)}. If the issue persists, "
+                    f"please contact {DefaultUserValues.HELP_EMAIL}.",
                 )
                 logger.error(f"An unexpected error occurred: {str(e)}.")
                 return redirect(reverse("invitedmember-domains-edit", kwargs={"pk": pk}))
@@ -477,7 +482,8 @@ class PortfolioInvitedMemberDomainsEditView(PortfolioMemberDomainsEditPermission
         except json.JSONDecodeError:
             messages.error(
                 self.request,
-                f"Invalid data for {domain_type}. If the issue persists, please contact {DefaultUserValues.HELP_EMAIL}.",
+                "Invalid data for {domain_type}. If the issue persists, "
+                f"please contact {DefaultUserValues.HELP_EMAIL}.",
             )
             logger.error(f"Invalid data for {domain_type}.")
             return None