Please see this thread for more information.
The attachment was corrupt in that thread and it would always give an error when trying to extract it, no matter how many times I re-uploaded it, and it was fine before uploading it. Strange. Let's hope a new thread works.
The attachment was corrupt in that thread and it would always give an error when trying to extract it, no matter how many times I re-uploaded it, and it was fine before uploading it. Strange. Let's hope a new thread works.