Thread:Extension talk:MultiUpload/MW 1.22 Fatal Error/reply (2)

I'm getting this same error when I go to the upload file page - Fatal error: Cannot make static method SpecialUpload::getDupeWarning non static in class MultipleUpload in extensions/MultiUpload/MultiUpload.body.php on line 10

I went to Multiupload.body.php and removed "static" from that line per instructions, but that didn't fix it. Still getting same error. Please help?