Hi

I have same issue like already explained in this thread:
www.joomlapolis.com/forum/88-usage/105625-dummy--test-gateway-not-working


When clicking desired dummy payment button I'0m getting this error msg:

Not Found
The requested URL /your-profile/pluginclass.html was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

J:3.2.3 - CB:1.9.1 CBsubs:3.0.0



EDIT:
Solution found in this thread:
www.joomlapolis.com/forum/88-usage/130709-no-confirmation-email-error-in-the-signup-process