[SOLVED]Cannot open file (../assets/cache//siteCache.idx.php)

I get this error when saving pages.

Previously I tried to upgrage from 0.9.5 to the latest but when I got the the install page it NEVER gave me the option to upgrade.

now I get this error and i cant create any new pages.

How can i fix it?

http://modxcms.com/forums/index.php/topic,2808.0.html

I read that topic and figured it out...

just had to make the cache folder/files 777