NoMethodError in Page#main

Showing weather/_weather.html.erb where line #4 raised:

undefined method `city' for #<Profile:0x2501908>
Extracted source (around line #4):

1: <ul id="weather">
2:   <% unless weather.empty? %>
3:   <li>
4:     Weather for <strong><%= @u.profile.city %>, <%= @u.profile.state %></strong>
5:     <br />
6:     <strong><%= cute_day(weather[0].day) %></strong>
7:     <%= weather[0].temperature %>F |
Trace of template inclusion: /layouts/application.html.erb

RAILS_ROOT: /Users/allanbranch/rails/talkcarwash

Application Trace | Framework Trace | Full Trace
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/attribute_methods.rb:205:in `method_missing'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/association_proxy.rb:125:in `method_missing'
app/views/weather/_weather.html.erb:4:in `_run_erb_47app47views47weather47_weather46html46erb'
app/views/layouts/application.html.erb:27:in `_run_erb_47app47views47layouts47application46html46erb'
Request

Parameters:

None
Show session dump

Response

Headers:

{"Status"=>"200 OK",
 "cookie"=>[],
 "Cache-Control"=>"no-cache"}