It would be impossible for you to get the same exact stack trace, b/c Magento won\’t pick up the view.phtml.bak, and it will have to fall back to the base theme, at that point you\’ll find out if the problem is in your template file.
I fixed this by manually deleting everything in var/cache/ and then re-indexing EVERYTHING from the Admin Panel. (FYI - I DID NOT have caching enabled and clearing the cache from the Admin Panel did NOT work. I had to do it manually.)
In the admin go to System > Configuration > Web > Search Engines Optimization and turn off rewrites. This will use the ‘index.php’ file for your site and if it works then you must have a problem with mod_rewrite - google for that as there are lots of guides already available on the subject.
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