I'm trying to use a module called Youtube Gallery on the bottom position of my page http://velasportingclub.x10.mx
However every time it's enable the site return error 503, while if it's disable the site works!....in another space it's all right http://velasportingclub.ilbello.com/joomla/.
What is the problem?
Error log report: 2012-06-18 03:27:29.720 [INFO] [220.127.116.11:42662-0#APVH_velasportingclub.x10.mx] File not found [/home/velaspor/public_html/503.shtml]
Also other youtube modules cause the same problem...