ActiveRecord::AssociationTypeMismatch in ClistingsController#create

Category(#-612181558) expected, got String(#-608036348)

Rails.root: /home/gbolahan/sites/spotvilla Application Trace | Framework Trace | Full Trace

app/controllers/clistings_controller.rb:45:in `new' app/controllers/clistings_controller.rb:45:in `create'

I got the following error while trying to create a new set of listings. i hve arelationship between the category and clisting model.

class Category < ActiveRecord::Base belongs_to :clisting end.

class Clisting < ActiveRecord::Base has_one :category


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