ActionController::UnknownFormat in Devise::RegistrationsController#createエラーの解決法

前提・実現したいこと

Rails初心者です。
Rails６で、新規登録を行う際に、以下のエラーが出て困っております。
どのようにすれば、エラーを解消できるでしょうか？

発生している問題・エラーメッセージ

ActionController::UnknownFormat in Devise::RegistrationsController#create
ActionController::UnknownFormat

applicationContoller
1class ApplicationController < ActionController::Base
2  before_action :basic_auth
3  before_action :configure_permitted_parameters, if: :devise_controller?
4  private
5
6  def basic_auth
7    authenticate_or_request_with_http_basic do |username, password|
8      username == 'admin' && password == '2222'
9    end
10  end
11    def configure_permitted_parameters
12      devise_parameter_sanitizer.permit(:sign_up, keys: [:nickname,:name,:height,:sex_id,:age])
13    end
14end
15

userModel
1class User < ApplicationRecord
2  # Include default devise modules. Others available are:
3  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
4   extend ActiveHash::Associations::ActiveRecordExtensions
5  devise :database_authenticatable, :registerable,
6         :recoverable, :rememberable, :validatable
7         has_many :Posts
8         belongs_to :sex
9         with_options presence: true do
10          validates :nickname
11          validates :name
12          validates :height
13          validates :age
14          validates :sex_id
15
16          validates  :name,
17          format: {with:/\A[ぁ-んァ-ン一-龥]+\z/}
18          validates  :height,
19          format: {with:/\A[0-9]+\z/}
20          validates  :age,
21          format: {with:/\A[0-9]+\z/}
22          validates :password,
23                 format:{with:/\A(?=.*?[a-z])(?=.*?[A-Z])(?=.*?[\d])\w{6,12}\z/}
24          validates :sex_id, numericality: { other_than: 1 }
25          end
26end
27

sexrb
1class Sex < ActiveHash::Base
2  self.data = [
3    { id: 1, name: '--' },
4    { id: 2, name: '男性' },
5    { id: 3, name: '女性' },
6    { id: 4, name: 'その他' },
7   
8  ]
9  include ActiveHash::Associations
10  has_many :users
11  end

deviseuser
1class DeviseCreateUsers < ActiveRecord::Migration[6.0]
2  def change
3    create_table :users do |t|
4      ## Database authenticatable
5      t.string :email,              null: false, default: ""
6      t.string :encrypted_password, null: false, default: ""
7      t.string :nickname,           null: false
8      t.string :name,               null: false
9      t.integer :height,            null: false
10      t.string :sex_id,                null: false
11      t.integer :age,               null: false
12      ## Recoverable
13      t.string   :reset_password_token
14      t.datetime :reset_password_sent_at
15
16      ## Rememberable
17      t.datetime :remember_created_at
18
19      ## Trackable
20      # t.integer  :sign_in_count, default: 0, null: false
21      # t.datetime :current_sign_in_at
22      # t.datetime :last_sign_in_at
23      # t.string   :current_sign_in_ip
24      # t.string   :last_sign_in_ip
25
26      ## Confirmable
27      # t.string   :confirmation_token
28      # t.datetime :confirmed_at
29      # t.datetime :confirmation_sent_at
30      # t.string   :unconfirmed_email # Only if using reconfirmable
31
32      ## Lockable
33      # t.integer  :failed_attempts, default: 0, null: false # Only if lock strategy is :failed_attempts
34      # t.string   :unlock_token # Only if unlock strategy is :email or :both
35      # t.datetime :locked_at
36
37
38      t.timestamps null: false
39    end
40
41    add_index :users, :email,                unique: true
42    add_index :users, :reset_password_token, unique: true
43    # add_index :users, :confirmation_token,   unique: true
44    # add_index :users, :unlock_token,         unique: true
45  end
46end

試したこと

as: resource_nameを削除しましたがダメでした
devise_parameter_sanitizer.permit(:sign_up,keys: [:nickname,:name,:height,:sex_id,:age])
の後にredirect_toを記述してみたが
ログイン状態にならずにリダイレクトされただけでした。