NoMethodError in Instructors#show

Showing /var/www/nuvola_academy/app/views/instructors/show.html.erb where line #50 raised:

undefined method `id' for nil:NilClass
Extracted source (around line #50):
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<ul class="modernPills">
<li class="active"><a data-toggle="tab" href="#future">All Events</a></li>
<% if (current_user.id == @instructor.user_id) || permCheck("manage_settings", nil, false) %>
<li><a data-toggle="tab" href="#surveys">Survey Responses</a></li>
<% end %>
</ul>

Rails.root: /var/www/nuvola_academy

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"100"}

Response

Headers:

None