Help !

Please help me on this. I receive some errors after a search on the web, in a html file.
The file contents:  WWW4ERROR: 500 WWW4ERROR: 500 

I send to the www4mail server the following lines (results of a submit action):

XBASE=BASE HREF  "http://www.rockmusic.org/"
XGET=baron/index.html
XGET=BonJovi/index.sht
XGET=depeche/index.sht
XGET=JSabina/index.html
XSCS=Get Selected Document(s)
GETPS=1
GETSIZE=
GETPART=