Failure to find dynamically related files is quiet common. It does not always mean there is a problem. I have many PHP sites that use includes within includes. DW says it cannot find dynamically related files, but it work sjust fine when I preview the localhost in my browser.
Thanks Nancy Oshea.
With this error my site didnt works.
After I did read David Power's article in Adobe Developer Connection, I changed URL WEB: http://localhost/php_test for http://localhost:8000/php_test, when I was configurating server in DW.
8000 is the port of wamserver in action. Hint's David Power was to XAMP, but it Works fpr WAMP.