Error: The Course " __ " is a child Course and cannot be used as a copy destination. Please specify another course as the destination.

ISSUE: While trying to copy previous course materials into a new course, received this error:

Error: The Course " __ " is a child Course and cannot be used as a copy destination.  Please specify another course as the destination. 

FIX: 

Use the course where the name shows the combination and has a two character suffix on the Course ID in the first column.  (Click image below for an example.)