Thread:Extension talk:UploadLocal/Fatal error

Hi there! I get the following error when I click "upload local files":

Fatal error: Class 'WebRequestUpload' not found in /mnt/webi/b3/15/52442315/htdocs/wiki/extensions/UploadLocal/WebRequestUploadLocal.php on line 2

I am running Mediawiki 1.16.0. I read that this extension only works with 1.17+. Is there any way to make it working for me or do I HAVE to upgrade?

Thanks for your help in advance!

Regards, Chris