GitHub issue#11299 fix v8

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.doctypepicker.html

@@ -30,9 +30,17 @@
 
                     </td>
                     <td>
-                        <select id="{{model.alias}}_tab_select"
+                        <select ng-show="elemTypeTabs[config.ncAlias].length || config.ncAlias==''" id="{{model.alias}}_tab_select"
                                 ng-options="t for t in elemTypeTabs[config.ncAlias]"
                                 ng-model="config.ncTabAlias" required></select>
+                        <p ng-show="!elemTypeTabs[config.ncAlias].length && config.ncAlias!==''" class="red">
+                            -<localize key="contentTypeEditor_noGroups">
+                                You have not added any groups
+                            </localize>   <br />
+                            *<localize key="content_nestedContentTabsAreNotSupported">
+                                Tabs are not supported by this editor, either change them to groups or use the Block List editor.
+                            </localize>*
+                        </p>
                     </td>
                     <td>
                         <input type="text" ng-model="config.nameTemplate" />
@@ -66,5 +74,11 @@
             <code ng-non-bindable>{{$index}}</code>
             <localize key="content_nestedContentTemplateHelpTextPart2">to display the item index</localize>
         </p>
+        <p>
+            <strong><localize key="settings_tab">Tab</localize>:</strong><br />
+            <localize key="content_nestedContentTabsAreNotSupported">
+                Tabs are not supported by this editor, either change them to groups or use the Block List editor.
+            </localize>
+        </p>
     </div>
 </div>