Initialization of the core system failed

<div><strong>Caught error: Creation of dynamic property APPucations\Framework\Core\System\sessionHandler::$auto_start is deprecated (8192)</strong></div>array(3) {
  ["file"]=>
  string(92) "/srv/http/clients/client3/web12/git/libraries/framework/core/system/sessionHandler.class.php"
  ["line"]=>
  int(73)
  ["context"]=>
  array(0) {
  }
}
<h1>Initialization of the core system failed</h1><p>A critical error prevented the system from processing your request. Please try again later or contact info (at) oswebstyle (dot) de. (error code: 5N4n)</p><div><strong>Caught error: Creation of dynamic property APPucations\Framework\Core\System\hashIds::$_lower_max_int_value is deprecated (8192)</strong></div>array(3) {
  ["file"]=>
  string(85) "/srv/http/clients/client3/web12/git/libraries/framework/core/system/hashIds.class.php"
  ["line"]=>
  int(65)
  ["context"]=>
  array(0) {
  }
}
<h1>Initialization of the core system failed</h1><p>A critical error prevented the system from processing your request. Please try again later or contact info (at) oswebstyle (dot) de. (error code: 5N4n)</p>