CakePHP: Output entity errors in CLI

ErrorHelper.php

<?php

namespace App\Command\Helper;

use Cake\Console\Helper;

class ErrorHelper extends Helper {

    /**
     * @param array $args
     */
    public function output($args): void
    {
        $this->_io->err('Errors:');
        $errors_table[] = ['Field', 'Rule', 'Message'];
        foreach($args as $field => $errors) {

            foreach($errors as $rule => $message) {

                $errors_table[] = [$field, $rule, $message];
            }
        }
        $this->_io->helper('Table')->output($errors_table);
    }
}