CCGV problem

[mver]

Hi, I use OSC-2.2rc2a with ccgv 5.21.

In the admin area all work fine but en the shop when click for view cart content or when click in first continue button of checkout_shipping my browser (IE 7.0 / Firefox 3.0.6 ) not continue.

In IE7 appears error message "error 500 internal server error"

In Firefox appears a white page.

any ideas for my?

 

excuseme for my bad english.

 

thank you.

MV.

 

Note: i have install Auctiontastics work fine.