AASM and graphql

[revh]

I added the gem and successfully created the state machine for my model, I tested it in rails console and it works well, but my graphql existing code is now crashing with this error:

Rails couldn't find a valid model for Match association. Please provide the :class_name option on the association declaration. If :class_name is already provided, make sure it's an ActiveRecord::Base subclass.

if I comment out include AASM and the related aasm configuration everything works fine again

match.rb

class Match < ApplicationRecord
  include AASM

  enum status: [ :pending, :queue, :ready, :active ]

  belongs_to :user
  belongs_to :matched_user, :class_name => "User"

  aasm column: :status do
    state :pending, initial: true
    state :queue, :ready, :active
    
    event :next do
      transitions from: :pending, to: :queue
      transitions from: :queue, to: :ready
      transitions from: :ready, to: :active
    end

    event :back do
      transitions from: :ready, to: :queue
    end
  end
end

user.rb

class User < ApplicationRecord
  has_many :matches
  has_many :matched_users, through: :matches, dependent: :destroy
end

user_type.rb (graphql)

module Types
  class UserType < Types::BaseObject
    field :matches, [Types::MatchType]
    field :matched_users, [Types::UserType]
  end
end

match_type.rb (graphql)

module Types
  class Types::MatchStatus < Types::BaseEnum
    value :pending
    value :queue
    value :ready
    value :active
  end

  class MatchType < Types::BaseObject
    field :id, ID, null: false
    field :user_id, Integer, null: false
    field :matched_user_id, Integer, null: false
    field :status, Types::MatchStatus, null: false
    field :created_at, GraphQL::Types::ISO8601DateTime, null: false
    field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
  end
end

Query

{
  user(id: 1) {
    id
    matches {
      id
    }
  }
}