create時、ストロングパラメータがあるのにpermitted: falseが出る。

https://gyazo.com/4cd36191e039c81f5ea393f487eb735f

ActionController::ParameterMissing in OrdersController#create
param is missing or the value is empty: order_payment

class OrdersController < ApplicationController

  before_action :set_item, only: [:index, :create]
  def index
    

  end

  def create
    binding.pry
    @order_payment= OrderPayment.new(order_params)
    if @order_payment.valid?
      pay_item
      @order_payment.save
      redirect_to root_path
    else
      render :index
    end
  end


  private

  def set_item
    @item = Item.find(params[:item_id])
  end

  def order_params
    params.require(:order_payment).permit(:post_code, :prefecture_id, :city, :block, :building, :phone_number)
    .merge(user_id: current_user.id, item_id: @item_id, token: params[:token]) 
end


  def pay_item
    Payjp.api_key = ENV["PAYJP_SECRET_KEY"]
    Payjp::Charge.create(
      amount: @item.price,
      card: order_params[:token],
      currency:'jpy'
    )
 end
end

 
<%= form_with model: @order_payment, url: item_orders_path, id: 'charge-form', class: 'transaction-form-wrap',local: true do |f| %>

class OrderPayment < ApplicationRecord
  include ActiveModel::Model
  attr_accessor :user_id, :item_id, :post_code, :prefecture_id, :city, :block, :building, :phone_number, :token

  with_options presence: true do
  
    validates :user_id
    validates :item_id
 
    validates :post_code, format: { with: /\A[0-9]{3}-[0-9]{4}\z/, message: 'is invalid. Include hyphen(-)' }
    validates :prefecture_id, numericality: { other_than: 0, message: "can't be blank" }
    validates :city
    validates :block
    validates :phone_number, format: { with: /\A\d{10,11}\z/, message: 'is invalid' }

    validates :token

  end

  def save
    order = Order.create(user_id: user_id, item_id: item_id)
    Payment.create(order_id: order.id, post_code: post_code, prefecture_id: prefecture_id,
                    city: city, block: block, building: building, phone_number: phone_number, order_id: order.id)
  end

end

 #<ActionController::Parameters {"authenticity_token"=>"ATUyhRboNHSp0gbbyg35UvRAiUcmIiWXBCJzGffYDnsQhhUSQ8feeW-kcj3e4d4rrAtz_AJ-piz3oD0iN7Q9TQ", "card_number"=>"", "exp_mouth"=>"", "exp_year"=>"", "cvc"=>"", "post_code"=>"", "prefecture_id"=>"0", "city"=>"", "block"=>"", "building"=>"", "phone_number"=>"", "commit"=>"購入", "controller"=>"orders", "action"=>"create", "item_id"=>"5"} permitted: false>

### 自分で試したこと

パラメーターの受け取りがうまくいかないことから、
フォームの見直し、インスタンスの見直しをしたところ、
問題ないと思っています。
他に考えられる箇所があれば、教えていただきたいです