Error after installation of v2.7

I just got 2.7 installed, but ran into this problem when trying to upload a video:

Quote:

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Fatal error: Class 'HTMLPurifier_AttrDef_Enum' not found in /home/wneedham/public_html/tubescan/include/htmlpurifier/HTMLPurifier/AttrTypes.php on line 19

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Anybody have any ideas on what happened?

Nevermind, I reuploaded that entire folder of files and now everything seems to be working.