Upgraded to 4.4.4, error in Session.php

Hi, I just upgraded CI to v 4.4.4 and now i get this error:

Code:

CRITICAL - 2024-08-24 09:26:09 --> ErrorException: Undefined global variable $_SESSION
in SYSTEMPATH/Session/Session.php on line 499.
1 SYSTEMPATH/Session/Session.php(499): CodeIgniter\Debug\Exceptions->errorHandler(2, 'Undefined global variable $_SESSION', '/home/***/system/Session/Session.php', 499)
2 APPPATH/Controllers/BaseController.php(69): CodeIgniter\Session\Session->get('character_id')
3 SYSTEMPATH/CodeIgniter.php(914): App\Controllers\BaseController->initController(Object(CodeIgniter\HTTP\CLIRequest), Object(CodeIgniter\HTTP\Response), Object(CodeIgniter\Log\Logger))
4 SYSTEMPATH/CodeIgniter.php(493): CodeIgniter\CodeIgniter->createController()
5 SYSTEMPATH/CodeIgniter.php(361): CodeIgniter\CodeIgniter->handleRequest(null, Object(Config\Cache), false)
6 FCPATH/index.php(79): CodeIgniter\CodeIgniter->run()

any help please?