Session flock PHP timeout

Greetings guys,
I'm using codeigniter 4 for most of my projects and I am facing an Issue, sometimes, with the session data with the default FileHandler of codeigniter 4.
In codeigniter log i have this error sometimes:

CRITICAL - 2024-07-17 11:08:37 --> Maximum execution time of 240 seconds exceeded
in SYSTEMPATH\Session\Handlers\FileHandler.php on line 134.
1 [internal function]: CodeIgniter\Debug\Exceptions->shutdownHandler()

In apache log I have those:

 [php:error] [pid 7560:tid 2020] [client ::1:51108] PHP Fatal error:  Maximum execution time of 240 seconds exceeded in C:\\xampp\\htdocs\\Riepilogo_lavorazioni4\\vendor\\codeigniter4\\framework\\system\\Session\\Handlers\\FileHandler.php on line 134, referer: https://riepilogo_lavorazioni4.imbalplas...avorazioni

 [php:error] [pid 7560:tid 2020] [client ::1:51108] PHP Fatal error:  Uncaught ErrorException: Unknown: Cannot call session save handler in a recursive manner in Unknown:0\nStack trace:\n#0 [internal function]: CodeIgniter\\Debug\\Exceptions->errorHandler(2, 'Unknown: Cannot...', 'Unknown', 0)\n#1 {main}\n  thrown in Unknown on line 0, referer: https://riepilogo_lavorazioni4.imbalplas...avorazioni

I've checked in the FileHandler and on the line 134 there is the flock:

PHP Code:

if (flock($this->fileHandle, LOCK_EX) === false) { 


I have the session preloaded in this way in the base controller:

PHP Code:

protected $session;
    

    /**
    * Constructor.
    */
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        // Do Not Edit This Line
        parent::initController($request, $response, $logger);

        // Preload any models, libraries, etc, here.
      
        $this->session = \Config\Services::session();
        
      
    } 


And in most of my methods i check the user login in this way:

PHP Code:

public function getLista_lavorazioni($macchinario = NULL)
    {
      if (!$this->session->has('user_login')) 
      {
        $this->session->setFlashdata("error_msg", 'SESSIONE SCADUTA, ACCESSO NEGATO');
        throw new \CodeIgniter\Router\Exceptions\RedirectException(".");
      }
} 


PHP VERSION IS: 8.1.12
Codeigniter version is: '4.3.5'
It seems codeigniter try to access a session file that is locked and go in timeout.
I have some ajax and long processes in some points and i check there too if the user is logged in or not. Maybe the problem is it?
Can you help me solve this? Thanks in advance

See https://codeigniter.com/user_guide/libra...oncurrency
and https://codeigniter.com/user_guide/libra...-a-session

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

See https://codeigniter.com/user_guide/libra...oncurrency
and https://codeigniter.com/user_guide/libra...-a-session

So you are suggesting that i have to manually close the session to solve this. But i have codeigniter 4.3.5 and session close is available after 4.4.0. I can't upgrade it because there are folders inside the projects shared on the network and it don't let me rename it (to _old for example) and I cannot change the folder name because of paths and the a dns that user https.
Is there another way to close it in older versions?

UPDATE: I've added it manually in session methods cause it is a simple session_write_close() as I see. I will try to use it and let you know if i'll still have the issue. Thanks