NameError: undefined local variable or method `params' for main:Object

Question

I'm using carrier wave and i get

NameError: undefined local variable or method `params' for main:Object

when i do u.commentfile = params[:file]

in the console? help!

Answer 1

The error is telling you exactly what's wrong. In the console, you're not in the scope of a request, so the params variable isn't defined unless you've done so manually. What are you trying to do?