Can you please tell which version you are using? is it CyBluetool (Windows Installer)?
You need to just upload the configuration file, you don't have to register it anywhere. From the snapshot, look like the file location is incorrect. Please provide the correct file path and try again.
Hello, I am using Bluetool version 188.8.131.52, file path is correct, I've triplechecked, for introduction, is it parse error or if entry is added to .cgs file, where do I have to "declare" this entry?
Bluetool is used internally for testing purpose. I would suggest you to get in touch with your local Cypress team or FAE for more support on this.
To answer your query, it seems like a problem with the entry you have made.