Problem when disable gk cash? (League News)

Hi

I have in my site the template League News

Before days i change account in my server, and i change my old domain, in my new domain. The site all the same.

In the new account put the cash nginx (think my technical do it).
After 1-2 days i have many many crowl pages Crawl Errors in google webmaster tools (1000+!). Error 500 and erro 404.
http://screencast.com/t/Xtj4vv1mroi

I see this pages it is not right. Looking for the problem in joomla, but....
....My Question is , Because i disable ALL the cash in joomla, also and the GK Cache in modules?
Maby this is the problem? Bug template? Because i check everything and i see maby this is cash error pages ?

Thanks a lot men!
Konstantinos
webmaster of arxondasbet.com

500 Internal Server Error & 404 for many pages in my joomla site, google found when i enable nginx in my server, and disable all cash template. This page is worg and are not in siemap, but google sent me crawl errors

Can somebody from Gavick told me if the "GK Cache" doing the problem in my joomla site with a lot error 500 or 404 pages, if this is Disable? Maby some bug about template + nginx , in some before cashe? or something else?
I try days to found this problem...

Thanks
Konstantinos