Pestle’s magento2:generate:ui:grid May Cause Backend Error

I’ve been going through Alan Storm’s Magento 2 UI Components tutorial:

http://alanstorm.com/magento_2_introducing_ui_components/

After using Pestle to create a UI Grid (magento2:generate:ui:grid), I received the following error in the backend on my admin page:

Override a template in a Magento 2 module.

When overriding a template in a module using a layout block argument in the layout XML. Use the following code snippet.