I was experiencing the strange problem, than templates load for a very long time and than giving the following error
Network Error (tcp_error)
A communication error occurred: “”
The Web Server may be down, too busy, or experiencing other problems preventing it from responding to requests. You may wish to try again at a later time.
than I decided to change the template group name and everything started working perfectly. Than the same problem occurred again and can be fixed only if I change the template group name.
What could be the problem?