Emergency! Sudden Fatal Errors

I have a drupal 5.7 installation that has been running fine for over a year.

i was editing some simple text of one of the pages of the site. I hit the submit button. It starts to go and then the browser goes white and says its done loading. I hit refresh. Drupal now returns a fatal error call to undefined function in the content taxonomy module. Now when I try to view a view I created it returns

Fatal error: Call to undefined function views_load_view() in /home/content/n/e/a/nealhcanyon/html/modules/views/views_ui.module on line 143

trying to look at any of the content with CCK fields returns an node with no data. I cannot edit the views. I cannot add a new item of content that uses CCK. I cannot edit the content type.

Using CCK 5.x-1.6
and views 5.x-1.6

But the blog still works and I can view the regular pages of the site. I can go into the admin but can't edit content, or views.

I think something got corrupted in the database or site? Any reset buttons to hit? I don't think the actual files on the server are corrupt. I can see them just fine in an ftp browser.

The watchdog table doesn't have any signifigant errors in it.

HELP!!