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[RESOLVED] Unable to access admin area after 22.214.171.124 upgrade - Fatal error: Call to a member function getBackend() on a non-object
I revcently upgraded from 1.1.8 to 126.96.36.199 and now I am getting the following error after logging into my admin area. I am also getting errors on the frontend side of things. Any ideas on what I should check.
Fatal error: Call to a member function getBackend() on a non-object in /app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php on line 379