NoMethodError in CorporationsController#show

undefined method `id' for nil:NilClass

Extracted source (around line #121):
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def show
where_hash = {corporation_id: @corporation.id}
where_hash[:type] = params[:course_type] unless params[:course_type].blank?
where_hash[:type] = nil if params[:course_type] == 'Course'

Rails.root: /var/www/nuvola_academy

Application Trace | Framework Trace | Full Trace

Request

Parameters:

None

Response

Headers:

None