Reduce N+1 Queries

N+1 queries detected what does that mean what should i do to make it work.

I am using Bullet gem for showing N+1 queries

user: kalyan
N+1 Query detected
  Emp => [:functions]
  Add to your finder: :include => [:functions]
N+1 Query method call stack
  /home/Documents/app/views/tics/show.html.haml:20:in `_app_views_tics_show_html_haml___2301551533476719406_237290860'

This is the message from bullet gem.

_app_views_tics_show.html.haml

- if (@tic.assigned_to == current_user.emp) or (current_user.emp_functions.map{|x| x.id}.include?(1) if current_user.emp_functions.present? )
              = best_in_place @tic, :subject
            - else
              = @tic.subject

help me to reduce n+1 query problem