I need help understanding this error ci 4.3.7

Fatal error: Uncaught TypeError: Return value of CodeIgniter\HTTP\IncomingRequest::getPostMaxSize() must be of the type int, float returned in C:\laragon\www\framework\system\HTTP\IncomingRequest.php:203 Stack trace: #0 C:\laragon\www\framework\system\HTTP\IncomingRequest.php(164): CodeIgniter\HTTP\IncomingRequest->getPostMaxSize() #1 C:\laragon\www\framework\system\Config\Services.php(549): CodeIgniter\HTTP\IncomingRequest->__construct(Object(Config\App), Object(CodeIgniter\HTTP\URI), 'php://input', Object(CodeIgniter\HTTP\UserAgent)) #2 C:\laragon\www\framework\system\Config\Services.php(505): CodeIgniter\Config\Services::incomingrequest(Object(Config\App), false) #3 C:\laragon\www\framework\system\Config\BaseService.php(252): CodeIgniter\Config\Services::request(NULL, false) #4 C:\laragon\www\framework\system\Config\BaseService.php(193): CodeIgniter\Config\BaseService::__callStatic('request', Array) #5 C:\laragon\www\framework\system\Config\Services.php(501): CodeIgniter\Config\BaseService::getSharedInstance('request', in C:\laragon\www\framework\system\HTTP\IncomingRequest.php on line 203