Name error in Rake file


In my rails application.

When I am running rake command it shows Name error, so can any one tell
me the reason behind this.


Please don't post images, just copy and paste the text here, then it
is much easier to comment. The error is pointing to a line in your
rake file so it might be easier to work out what is going on if you
post at least that section of the file here (again copy/paste it