Can not create tables in Migx 3.0.2-b1 and Modx 3.0.4

Hello, as I understood, it shoudl work with Migx 3 beta, but it does not. As I try to create tables for this schema

<?xml version="1.0" encoding="UTF-8"?>
<model package="testpackage" baseClass="xPDOObject" platform="mysql" defaultEngine="MyISAM" version="1.1">
    <object class="testClass" table="migx_test_table" extends="xPDOSimpleObject" >
        <field key="title" dbtype="varchar" precision="255" phptype="string" null="false" default=""/>

I do get no errors as I parse it, but i get these errors, as I try to create tables:

[2023-11-08 17:20:55] (ERROR in xPDO\Om\xPDOGenerator::_loadExistingClass @ /var/www/html_dev/test_modx/core/vendor/xpdo/xpdo/src/xPDO/Om/xPDOGenerator.php : 851) Class "testpackage\mysql\testClass" does not exist
[2023-11-08 17:20:55] (ERROR @ /var/www/html_dev/test_modx/core/vendor/xpdo/xpdo/src/xPDO/xPDO.php : 667) Could not load class: testpackage\testClass from mysql.testpackage\testclass

I use the very fresh Modx installation with only Migx and no other plugins.
PHP 8.1.23

Is there a way to fix it? Thanx

The syntax for the database schema has slightly changed in MODX 3.

Maybe take a look at this:

Missed these changes. Thanks, hope it will help )

Yes, everything is fine. Thanx again )