Yes - I'm currently running 220.127.116.11 on a linux host using Apache 2.2.16 MySQL 5.0.91 and php 5.2.9. As far as I can see, the installation works extremely well.
I've faced the exactly same error message running an installation on a local WAMP package (Easy PHP 5.3.9) on my laptop.
I've activated the recorder via the "modules" section of the configuration settings in the administration area. I've then entered a course (as "teacher") and opened the "documents" screen, and clicked on the "record my voice" icon. The nanogong applet runs well, and the recorded file is easily saved. However, when I click the "send" button, although a progress window appears to show a successful execution of the process, the following error message is displayed:
I hope this is clear enough to allow you to replicate the process.