Actually I tried to send you an email regarding the error today at
firstname.lastname@example.org (To contact the authors this is the address mentioned in the book ), and my email did not make it. i got delivery failed due to incorrect address.
I was going to contact you through this forum about this error, but then I found this post on the forum, which helped me to solve the issue.
subject: Monkhouse error - running the client Application in Networked mode