I created a custom structure that I pulled into the workspace containing the application that I am writing using Xcode 6. I get an error message when I try to create an instance of a class related to the reader. The "Framework" module does not have a member named "Unit":

I associated the application target with the library created by the infrastructure:

Here is a screenshot of the Unit class:

I have no idea what I'm doing wrong. I do not see anyone else who would experience this problem. I would always be indebted to anyone who could help me fix this problem. Thank you in advance for your help.