The instructions in this topic have nothing to do with the error message you are seeing.

I have replied to your question in the topic you started for your issue. → http://para.llel.us/support/groups/vellum/forum/topic/am-unable-to-install-my-vellum-theme-on-my-wordpress-site-need-urgent-help/

Please don’t ask the same question in more than one topic because all that does is make extra work for us. Thanks.