ActiveRecord::RecordNotFound in DisciplineUniversitiesController#show

can't find record with friendly id: "index-blog-2"

Extracted source (around line #167):
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# Use callbacks to share common setup or constraints between actions.
def set_discipline_university
@discipline_university = DisciplineUniversity.friendly.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.

Rails.root: /app

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"index-blog-2",
 "format"=>"html"}

Response

Headers:

None