HTTP Error 500

[sdh13]

Hi

Having debugged a Site with EasyPHP that works OK , when I transfer it to my DS210J I have the following message :

Server error
The website encountered an error while retrieving http://loys.homeip.net/vws/. It may be down for maintenance or configured incorrectly.
Here are some suggestions:
Reload this web page later.

Note : Another Site in PHP is running correctly on this server.

Has someone already had this message?

sdh13

[sdh13]

Having set up display-errors to display php error messages in the PHP settings of the web services control panel, it works