Module not working

[eudruz]

Can you help me ? After composer install i have this issue .

Fatal error: Uncaught Error: Class 'Aa\AkeneoDataLoader\LoaderFactory' not found in C:\www\Data_text_manipulator\import.php:7 Stack trace: #0 {main} thrown in C:\www\Data_text_manipulator\import.php on line 7

import.php

namespace Aa\AkeneoDataLoader;

use Aa\AkeneoDataLoader\Api;
use Aa\AkeneoDataLoader\LoaderFactory;

$factory = new LoaderFactory();