add conditional to accesibility.rb generator preventing exceptions when row in translation files is nul

db/pages/accessibility.rb

@@ -28,11 +28,13 @@ def generate_content(page)
                 </thead>
                 <tbody>"
   I18n.t("pages.accessibility.keyboard_shortcuts.navigation_table.rows").each do |row|
+    if row.present?
       content << "  <tr>
                     <td class='text-center'>#{row[:key_column]}</td>
                     <td>#{row[:page_column]}</td>
                   </tr>"
     end
+  end
   content << "  </tbody>
               </table>
               <p>#{I18n.t("pages.accessibility.keyboard_shortcuts.browser_table.description")}</p>
@@ -52,11 +54,13 @@ def generate_content(page)
                 </thead>
                 <tbody>"
   I18n.t("pages.accessibility.keyboard_shortcuts.browser_table.rows").each do |row|
+    if row.present?
       content << "  <tr>
                     <td>#{row[:browser_column]}</td>
                     <td>#{row[:key_column]}</td>
                   </tr>"
     end
+  end
   content << "  </tbody>
               </table>
               <h2>#{I18n.t("pages.accessibility.textsize.title")}</h2>
@@ -74,18 +78,22 @@ def generate_content(page)
                 </thead>
                 <tbody>"
   I18n.t("pages.accessibility.textsize.browser_settings_table.rows").each do |row|
+    if row.present?
       content << "  <tr>
                     <td>#{row[:browser_column]}</td>
                     <td>#{row[:action_column]}</td>
                   </tr>"
     end
+  end
   content << "  </tbody>
               </table>"
   content << "<p>#{I18n.t("pages.accessibility.textsize.browser_shortcuts_table.description")}</p>
               <ul>"
   I18n.t("pages.accessibility.textsize.browser_shortcuts_table.rows").each do |row|
+    if row.present?
       content << "<li><strong>#{row[:shortcut_column]}</strong> #{row[:description_column]}</li>"
     end
+  end
   content << "</ul>
               <h2>#{I18n.t("pages.accessibility.compatibility.title")}</h2>
               <p>#{I18n.t("pages.accessibility.compatibility.description")}</p>"
@@ -100,7 +108,6 @@ if SiteCustomization::Page.find_by(slug: "accessibility").nil?
   I18n.available_locales.each do |locale|
     I18n.locale = locale
     translation = page.translations.build(locale: locale)
-   # Not generating content for :fa, :id and it translations, as they are causing error in line 32
+    generate_content(translation)
-    generate_content(translation) unless locale == :fa or locale == :id or locale == :it
   end
 end