NoMethodError in CatalogController#seriya

undefined method `id' for nil:NilClass

Extracted source (around line #32):
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@ptype = Ptype.where(url: params[:url]).first
@seriya = Seriya.where(url: params[:seriya]).first
@photos = Seriyaimage.where(seriya_id: @seriya.id).limit(4).order("id desc")
end
def product

Rails.root: /var/www/admin/www/chebdveri.ru/current

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"locale"=>"ru", "url"=>"mezhkomnatnye-dveri", "seriya"=>"sofia10%D1%85%D1%85"}

Response

Headers:

None