gridresponsefactory.php

<?php
 
namespace Bitrix\Main\Grid\UI\Response;
 
use Bitrix\Main\Grid\MessageType;
use Bitrix\Main\Grid\UI\GridResponse;
use Bitrix\Main\Result;
 
class GridResponseFactory
{
    public function createFromResult(Result $result): GridResponse
    {
        $self = new GridResponse();
 
        foreach ($result->getErrorMessages() as $message)
        {
            $self->addMessage($message, MessageType::ERROR);
        }
 
        return $self;
    }
}