I am going to modify this artilce to move the page - but rest of article is very much applicable to working with the AEM Page Manager Java API: Adobe Experience Manager Help | Creating an Experience Manager 6.3 Page using the Page Manager API

I am looking into this. I will post back my results.

See this HELPX article to work with Contexthub in 6.4 -- Scott's Digital Community: Working with Experience Fragments and the Experience Manager ContextHub

A difference between this 6.4 artilce and what you need to do with 6.3 is in 6.3 create the project using Maven 12 Archetype.Scott's Digital Community: Creating an Adobe Experience Manager 6.3 Project using Adobe Maven Archetype 12Once you setup the project and use the 6.3 UBER JAR (that you specify...

We have an article on how to hook up AEM with SOLR here - this is for 6.4:Scott's Digital Community: Integrating SOLR with Adobe Experience Manager 6.4There is a video too that shows you it working. This is a component that can be applied to different AEM sites - including We Retail.Also -- we have ...

I talked to our team about this - they replied: Have a datasource and select blog post - http://experience-aem.blogspot.com/2015/04/aem-6-sp2-touchui-adding-dynamic-select-options.html It can be applied for checkboxes,

Looks like - from the image - you are installing the Workbench. THis is a client tool that works with the Server.

Are you using AEM Forms for J2EE or AEM Forms for OSGi? What product do you have installed?

You need to use the granite type:granite/ui/components/coral/foundation/form/checkbox

Did this all of sudden start to occur and used to work fine? Check all of your OSGi bundles to make sure there is no bundle turned off.Also - have you installed new packages that may have caused this?Also - does Classic UI work - this will give us more clues about the potential issue.