fix

app/controllers/admin/education/diplomas_controller.rb

@@ -14,8 +14,12 @@ class Admin::Education::DiplomasController < Admin::Education::ApplicationContro
   def static
     @about = @diploma
     @website = @diploma.websites&.first
-    @programs = @website.education_programs.root.ordered
-    render layout: false
+    if @website.nil?
+      redirect_to [:admin, @diploma]
+    else
+      @programs = @website.education_programs.root.ordered
+      render layout: false
+    end
   end
 
   def new

app/views/admin/education/diplomas/_form.html.erb

@@ -3,29 +3,24 @@
   <%= f.error_notification message: f.object.errors[:base].to_sentence if f.object.errors[:base].present? %>
   <div class="row">
     <div class="col-lg-8">
-      <div class="card flex-fill w-100">
-        <div class="card-header">
-          <h5 class="card-title mb-0"><%= t('metadata') %></h5>
-        </div>
-        <div class="card-body">
-          <%= f.input :name %>
-          <div class="row">
-            <div class="col-lg-6">
-              <%= f.input :short_name %>
-            </div>
-            <div class="col-lg-6">
-              <%= f.input :level, include_blank: false %>
-            </div>
-            <div class="col-lg-6">
-              <%= f.input :ects %>
-            </div>
-            <div class="col-lg-6">
-              <%= f.input :duration, as: :string %>
-            </div>
+      <%= osuny_panel t('metadata') do %>
+        <%= f.input :name %>
+        <div class="row">
+          <div class="col-lg-6">
+            <%= f.input :short_name %>
+          </div>
+          <div class="col-lg-6">
+            <%= f.input :level, include_blank: false %>
+          </div>
+          <div class="col-lg-6">
+            <%= f.input :ects %>
+          </div>
+          <div class="col-lg-6">
+            <%= f.input :duration, as: :string %>
           </div>
-          <%= render 'admin/application/summary/form', f: f, about: diploma %>
         </div>
-      </div>
+        <%= render 'admin/application/summary/form', f: f, about: diploma %>
+      <% end %>
     </div>
   </div>
   <% content_for :action_bar_right do %>