Hi Scott!Please go through adobe helpx documentations. Here is the link which expalins adding assets to a collection.https://helpx.adobe.com/in/experience-manager/6-5/assets/using/managing-collections-touch-ui.html#AddingassetstoacollectionBest,Cal

Hi Sagar.For the answered/unanswered you can add the property to the question node dynamically based on your logic. Using Query builder api you can get the list of questions with condition answered/unanswered.Best,Cal

Can you try following the steps :1.Stop you AEM instance2.Go to ${your-aem-install-folder}/crx-quickstart/repository/index. Cut all the indexes available under index folder and paste it somewhere in your system.So the index folder should be empty3. Re-start your AEM and check nowWe faced this kind of HTTP 500 issue not for login, but in other cases as well, so then we used to removed the indexex and restart the instance. Hope it works once you perform these stepsBest,Cal

Can you try creating the error pages using ACS commons error page handler.https://adobe-consulting-services.github.io/acs-aem-commons/features/error-handler/index.htmlIn this article there is step by step process to create custom error pages and also settings in dispatcher.Error Page Handlerhttps://adobe-consulting-services.github.ioBest,Cal

[Note] Couldn't edit the previous post. Here's a revision.To add any new property to the preview list of pages, you need to overlay/override/slingresource merge this file /libs/cq/gui/components/coral/admin/page/columnpreview/columnpreview.jsp. Here is the logichow those properties showing up. You need to customize based on your requirement. Best,Cal

To add any new property to the preview list of pages, you need to overlay/override/slingresource merge this file /libs/screens/dcc/components/page/columnpreview/columnpreview.jsp.Here is the logic how those properties showing up. You need to customize based on your requirement.Best,Cal