inject Model in Presenter – Class ‘Nette\DI\Extensions\ServiceCreationException’ not found

namespace App\Model;

use Nette;

/**
 * Users management.
 */
class LogManager extends Nette\Object
{
	const
		TABLE_NAME = 'table_name',
		COLUMN_TYPE = 'type',
		COLUMN_EVENT = 'event',
		COLUMN_DATE = 'date';

	/** @var Nette\Database\Context */
	private $database;

	public function __construct(Nette\Database\Context $database)
	{
		$this->database = $database;
	}

	/**
	 * Adds new user.
	 * @param  string
     * @param  string
	 * @return void
	 */
	public function add($event, $type)
	{
			$this->database->table(self::TABLE_NAME)->insert(array(
				self::COLUMN_TYPE => $type,
				self::COLUMN_EVENT => $event,
                self::COLUMN_DATE => new Nette\Utils\DateTime()
			));

	}


}

    /**
     * @var \App\Model\LogManager
     * @inject
     */
    public $logManager;

Class 'Nette\DI\Extensions\ServiceCreationException' not found