As the title says I go to upload and am met with only a blank page saying "Error" nothing else. Any ideas?
Do you mean you get that when you click on the "Upload torrent" link in the page footer, or when you click on the "Add to index" button after filling in the upload details?
If the former, what is the URL of the page displaying "Error"?
You should try answering the questions in the post above yours and then maybe someone will be able to come up with a solution. By replying its back again is pointless as it gives no helpful information.