Unrecognized field: usernameCanonical

# Doctrine Configuration
doctrine:
    dbal:
        driver:   %database_driver%
        host:     %database_host%
        port:     %database_port%
        dbname:   %database_name%
        user:     %database_user%
        password: %database_password%
        charset:  UTF8

    orm:
        auto_generate_proxy_classes: %kernel.debug%
        auto_mapping: true

fos_user:
    db_driver: orm
    firewall_name: main
    user_class: SPPickListUserBundleEntityUser

namespace SPPickListUserBundleEntity;

use DoctrineORMMapping as ORM;
use FOSUserBundleDocumentUser as BaseUser;

/**
 * SPPickListUserBundleEntityUser
 *
 * @ORMTable(name="fos_user")
 * @ORMEntity
 */
class User extends BaseUser
{
    /**
     * @var integer $id
     *
     * @ORMColumn(name="id", type="integer")
     * @ORMId
     * @ORMGeneratedValue(strategy="AUTO")
     */
    protected $id;


    /**
     * Get id
     *
     * @return integer
     */
    public function getId()
    {
        return $this->id;
    }
}