search for: find_by_emailaddr

I have seen this numerious times and still have no idea what it means: undefined method `stringify_keys!'' for "blah22":String I am tring to change a password. My code looks like: def change_password @user = User.find_by_emailaddr( params[:email] ) if @user.nil? # user profile not created flash[:notice] = "<b style = \"color:red\">No such user email found</b>" redirect_to :action => ''change_pass'' and return end if User.authenticate( params[:email]...