perhaps you have fixed the problem?
When I visit your page at:
I do not see an error anymore, but I do see:
Test Area for PowerCMS
-- Text from PowerCMS should appear below this line. --
Start of CMS test.
This is a test of CMS:
* Bullet 1
* Bullet 2
* Bullet 3
End of CMS test.
-- Text from PowerCMS should appear above this line. --
It appears the index copy page is working now?