Error created even when field is full.

object(App\Model\Entity\User) {

	'new' => true,
	'accessible' => [
		'password' => '*****',
		'username' => true,
		'last_login' => true,
		'last_ip' => true,
		'type' => true,
		'admins' => true,
		'agents' => true,
		'clients' => true,
		'logins' => true
	],
	'properties' => [
		'type' => 'super'
	],
	'dirty' => [
		'type' => true
	],
	'virtual' => [],
	'errors' => [
		'password' => '*****',
		'username' => [
			(int) 0 => 'This field is required'
		]
	],
	'repository' => 'Users'

}

gistfile1.txt

	public function add() {
		$this->loadModel('Users');
//debug($this->request->data);
		$admin = $this->Admins->newEntity($this->request->data);
		$user = $this->Users->newEntity($this->request->data);
		if ($this->request->is('post')) {
			$user->type = $this->request->data["is_super"] ? 'super' : 'admin';
			//WE NEED TO VALIDATE BOTH THE NEW USER AND THE NEW ADMIN BEFORE WE SAVE ANYTHING. (BY DEFAULT, IT WILL ONLY VALIDATE THE USER BEFORE SAVING THE USER)
			if($this->Users->validate($user)) {
				if($this->Admins->validate($admin)) {
					if($this->Users->save($user)) {
						$this->Flash->success('The credentials have been saved.');
						//UPDATE THE user_id CORRECTLY FOR THE NEW ADMIN.
						$admin->user_id = $user->id;
						if ($this->Admins->save($admin)) {
							$this->Flash->success('The admin has been saved.');
							return $this->redirect(['action' => 'index']);
							exit;
						} else {
							//NONE OF THIS FAIL CODE SHOULD EVER BE RUN, DUE TO THE PREVIOUS VALIDATION, BUT JUST IN CASE, I'M LEAVING IT HERE.
							//GOTTA GET RID OF THE USER THAT WAS JUST SAVED NOW.
							$this->Users->delete($user);
							$this->Flash->error('The admin was not saved.');
						}
					} else {
						$this->Flash->error('The credentials were not saved.');
					}
				} else {
					$this->Flash->error('Please check your information and try again.');
				}
			} else {
				$errors = $user->errors();
				$this->Flash->error($errors["username"]["unique"]);
			}
//debug($user);
//exit;
		}
		$users = $this->Admins->Users->find('list');
		$this->set(compact('admin', 'users'));
	}

gistfile2.txt

<?php
namespace App\Model\Table;

use Cake\ORM\Table;
use Cake\Validation\Validator;

/**
 * Users Model
 */
class UsersTable extends Table {

/**
 * Initialize method
 *
 * @param array $config The configuration for the Table.
 * @return void
 */
	public function initialize(array $config) {
		$this->table('users');
		$this->displayField('username');
		$this->primaryKey('id');

		$this->hasMany('Admins', [
			'foreignKey' => 'user_id',
		]);
		$this->hasMany('Agents', [
			'foreignKey' => 'user_id',
		]);
		$this->hasMany('Clients', [
			'foreignKey' => 'user_id',
		]);
		$this->hasMany('Logins', [
			'foreignKey' => 'user_id',
		]);
	}

/**
 * Default validation rules.
 *
 * @param \Cake\Validation\Validator $validator
 * @return \Cake\Validation\Validator
 */
	public function validationDefault(Validator $validator) {
		$validator
			->add('id', 'valid', ['rule' => 'numeric'])
			->allowEmpty('id', 'create')
			->validatePresence('username', 'create')
			->notEmpty('username')
			->add('username', 'unique', ['rule' => 'validateUnique', 'provider' => 'table','message' => 'It appears that username has already been taken.  Please choose another one.'])
			->validatePresence('password', 'create')
			->notEmpty('password')
// 			->validatePresence('last_login', 'create')
// 			->notEmpty('last_login')
// 			->validatePresence('last_ip', 'create')
// 			->notEmpty('last_ip')
			->validatePresence('type', 'create')
			->notEmpty('type')
			->add('type','inList', ['rule' => ['inList', ['super','admin','client','agent']]]);
		return $validator;
	}

}

gistfile3.txt

<?php
namespace App\Model\Table;

use Cake\ORM\Table;
use Cake\Validation\Validator;

/**
 * Admins Model
 */
class AdminsTable extends Table {

/**
 * Initialize method
 *
 * @param array $config The configuration for the Table.
 * @return void
 */
	public function initialize(array $config) {
		$this->table('admins');
		$this->displayField('first_name');
		$this->primaryKey('id');

		$this->belongsTo('Users', [
			'foreignKey' => 'user_id',
		]);
		$this->hasMany('Clients', [
			'foreignKey' => 'admin_id',
		]);
		$this->hasMany('Tickets', [
			'foreignKey' => 'admin_id',
		]);
	}

/**
 * Default validation rules.
 *
 * @param \Cake\Validation\Validator $validator
 * @return \Cake\Validation\Validator
 */
	public function validationDefault(Validator $validator) {
		$validator
			->add('id', 'valid', ['rule' => 'numeric'])
			->allowEmpty('id', 'create')
			->validatePresence('first_name', 'create')
			->notEmpty('first_name')
			->validatePresence('last_name', 'create')
			->notEmpty('last_name')
			->add('email', 'valid', ['rule' => 'email'])
			->validatePresence('email', 'create')
			->notEmpty('email')
			->add('email', 'unique', ['rule' => 'validateUnique', 'provider' => 'table','message'=>'This email is already in our system'])
			->validatePresence('phone', 'create')
			->notEmpty('phone')
			->validatePresence('username', 'create')
			->notEmpty('username')
			->add('username', 'unique', ['rule' => 'validateUnique', 'provider' => 'table','message'=>'This username is already taken']);
		// 			->validatePresence('date_created', 'create')
// 			->notEmpty('date_created')
// 			->validatePresence('last_login', 'create')
// 			->notEmpty('last_login')
// 			->validatePresence('last_ip', 'create')
// 			->notEmpty('last_ip')
// 			->add('user_id', 'valid', ['rule' => 'numeric'])
// 			->validatePresence('user_id', 'create')
// 			->notEmpty('user_id');

		return $validator;
	}

}

gistfile4.txt

<div class="admins form">
<?= $this->Form->create($admin); ?>
	<fieldset>
		<legend><?= __('Add Admin'); ?></legend>
	<?php
		echo $this->Form->input('first_name');
		echo $this->Form->input('last_name');
		echo $this->Form->input('email');
		echo $this->Form->input('phone');
		echo $this->Form->input('is_super');
		echo $this->Form->input('username');
		echo $this->Form->input('password');
//		echo $this->Form->input('date_created');
// 		echo $this->Form->input('last_login');
// 		echo $this->Form->input('last_ip');
// 		echo $this->Form->input('user_id', ['options' => $users]);
	?>
	</fieldset>
<?= $this->Form->button(__('Submit')); ?>
<?= $this->Form->end(); ?>
</div>
<div class="actions">
	<h3><?= __('Actions'); ?></h3>
	<ul>
		<li><?= $this->Html->link(__('List Admins'), ['action' => 'index']); ?></li>
		<li><?= $this->Html->link(__('List Users'), ['controller' => 'Users', 'action' => 'index']); ?> </li>
		<li><?= $this->Html->link(__('New User'), ['controller' => 'Users', 'action' => 'add']); ?> </li>
		<li><?= $this->Html->link(__('List Clients'), ['controller' => 'Clients', 'action' => 'index']); ?> </li>
		<li><?= $this->Html->link(__('New Client'), ['controller' => 'Clients', 'action' => 'add']); ?> </li>
		<li><?= $this->Html->link(__('List Tickets'), ['controller' => 'Tickets', 'action' => 'index']); ?> </li>
		<li><?= $this->Html->link(__('New Ticket'), ['controller' => 'Tickets', 'action' => 'add']); ?> </li>
	</ul>
</div>