diff --git a/app/controllers/admin/pages_controller.rb b/app/controllers/admin/pages_controller.rb
index 6d2c907..cf63cc1 100644
--- a/app/controllers/admin/pages_controller.rb
+++ b/app/controllers/admin/pages_controller.rb
@@ -3,7 +3,7 @@ class Admin::PagesController < AdminController
 
   def index
     @pages = Page.includes(phase: :project).order(id: :desc)
-    @projects = @pages.map { |page| page.phase.project }.uniq
+    @projects = @pages.map { |page| page.phase&.project }.uniq
   end
 
   def show
diff --git a/db/migrate/20240613113501_add_was_published_and_published_at_to_project_revisions.rb b/db/migrate/20240613113501_add_was_published_and_published_at_to_project_revisions.rb
index b9f8843..a87e2b6 100644
--- a/db/migrate/20240613113501_add_was_published_and_published_at_to_project_revisions.rb
+++ b/db/migrate/20240613113501_add_was_published_and_published_at_to_project_revisions.rb
@@ -6,7 +6,7 @@ def up
     Phase.find_each do |phase|
       if phase.published_revision.present?
         published_revision = phase.published_revision
-        published_revision.update_attributes(was_published: true, published_at: published_revision.updated_at)
+        published_revision.update_attributes!(was_published: true, published_at: published_revision.updated_at)
       end
     end
   end
diff --git a/db/migrate/20240621112043_add_phase_to_pages.rb b/db/migrate/20240621112043_add_phase_to_pages.rb
index acb2e1e..7613706 100644
--- a/db/migrate/20240621112043_add_phase_to_pages.rb
+++ b/db/migrate/20240621112043_add_phase_to_pages.rb
@@ -5,7 +5,7 @@ def change
     Project.find_each do |project|
       project.phases.find_each do |phase|
         phase.revisions.find_each do |phase_revision|
-          phase_revision.revision.page.update(phase_id: phase.id)
+          phase_revision.revision.page.update!(phase_id: phase.id)
         end
       end
     end