После смена PHP на 8 версию не работают пользовательские поля!

class UserIblockProperyList extends CUserTypeEnum
{

   static function GetUserTypeDescription()
   {
      return array(
          "USER_TYPE_ID" => "iblock_propery_list",
          "CLASS_NAME" => "UserIblockProperyList",
          "DESCRIPTION" => "Список свойств для раздела",
          "BASE_TYPE" => "int",
      );
   }
   
   static function GetIBlockPropertyDescription()
   {
      return array(
          "PROPERTY_TYPE" => "PL",
          "USER_TYPE" => "iblock_propery_list",
          "DESCRIPTION" => "Список свойств для раздела",
          'GetPropertyFieldHtml' => array('UserIblockProperyList', 'GetPropertyFieldHtml'),
          'GetAdminListViewHTML' => array('UserIblockProperyList', 'GetAdminListViewHTML'),
      );
   }
   
   function GetEditFormHTMLMulty($arUserField, $arHtmlControl)
   {      

      CModule::IncludeModule("iblock");
      $db_iblock_properties = CIBlockProperty::GetList(
          Array("sort"=>"asc", "name"=>"asc"),
          Array("ACTIVE"=>"Y", "IBLOCK_ID"=>13)
      );

      $arFieldsToUser = array();
      while ($arResProperties = $db_iblock_properties->Fetch()){
         $pos = strpos($arResProperties['CODE'], "__GROUP__");
         if ($pos !== false) {
            $arFieldsToUser[$arResProperties['CODE']] = $arResProperties;
         }
      }

      sort($arFieldsToUser);

      $select = '<select name="'.$arHtmlControl['NAME'].'" size="'.count($arFieldsToUser).'" multiple>';
      $bWasSelect = false;
      foreach($arFieldsToUser as $FieldToUser){
         $bSelected = ((in_array($FieldToUser["ID"], $arHtmlControl["VALUE"])) || ($arUserField["ENTITY_VALUE_ID"]<=0 && $FieldToUser["DEF"]=="Y"));
         $select .= '<option value="'.$FieldToUser['ID'].'"'.($bSelected? ' selected': '').'>'.$FieldToUser['NAME']." [ ".$FieldToUser['ID']." ] "."[ ".$FieldToUser['CODE']." ]".'</option>';
      }
      $select .= '</select>';

      return $select;
   }

   function GetAdminListEditHTML($arUserField, $arHtmlControl)
   {
      return self::getViewHTML($arHtmlControl['NAME'], $arHtmlControl['VALUE'], true);
   }

   function GetAdminListViewHTML($arProperty, $value, $strHTMLControlName)
   {
      return self::getViewHTML($strHTMLControlName['VALUE'], $value['VALUE']);
   }

   function GetPropertyFieldHtml($arProperty, $value, $strHTMLControlName)
   {
      return $strHTMLControlName['MODE'] == 'FORM_FILL'
          ? self::getEditHTML($strHTMLControlName['VALUE'], $value['VALUE'], false)
          : self::getViewHTML($strHTMLControlName['VALUE'], $value['VALUE'])
          ;
   }
}

AddEventHandler("iblock", "OnIBlockPropertyBuildList", array("UserIblockProperyList", "GetIBlockPropertyDescription"));
AddEventHandler("main", "OnUserTypeBuildList", array("UserIblockProperyList", "GetUserTypeDescription"));

<?php
include_once('acat_class.php');
include_once('acat_gmbm_class.php');
include_once('acat_gmbt_class.php');


class Acat_ggbm extends Acat {
   function MakeData($id_site,$idtypeauto,$idmark,$model)
   {
      $__model=new Acat_gmbm();
      $__model->MakeData($id_site,$idtypeauto,$idmark,$model);
      $__mark=new Acat_gmbt();
      $__mark->MakeData($id_site,$idtypeauto,$idmark);
      $this->sort="SORTORDER, GROUPNO";
      $_data=$this->DB->Query("SEL ECT * FR OM `".AC_DB_PREFIX."grouptree` wh ere idmodel=".$model." order by ".$this->sort);
      if (count($_data)==0) {$_data=$this->DB->Query("SELECT * FR OM `".AC_DB_PREFIX."grouptree` where idmodel=(SEL ECT BASIS_MODEL_ID fr om ".AC_DB_PREFIX."models where ID= ".$model.") order by ".$this->sort);}
      $this->data['modelinfo']=$__model->data[0];
      $this->data['markinfo']=$__mark->data[0];
      
      
      foreach ($_data as $__data) {
         
         $_imgfile=AC_ROOT.'/data'.$__data['PICTUREINDEX'];
         if (!file_exists($_imgfile) && $__data['PICTLENGTH']!=0) {
            $_len=strlen($__data['PICTUREINDEX'])-4;
            for ($i=$_len;$i<$this->data['modelinfo']['PICTLENGTH']; $i++) {$__data['PICTUREINDEX']='0'.$__data['PICTUREINDEX'];}
         }                        
         $___data[] = Array (
            "id" => $__data['GROUPNO'],
            "nameshort" =>$__data['GROUPNAME'],
            "enameshort"=>$__data['GROUPNAMEEN'],
            "picture" =>AC_WWW_ROOT.'/data'.$this->data['modelinfo']['PATHIMAGE'].$__data['PICTUREINDEX'].'.gif',
            "parent" => $__data['PARENT'],
            "link"=> $this->makelink($idtypeauto,$idmark,$model,$__data['GROUPNO']),
            "onclick"=> $this->onclick($idtypeauto,$idmark,$model,$__data['GROUPNO'])
         );
         
      }
      $this->getGroupsTree(0,$___data,$this->data['tree']);
      parent::MakeData();
   }
   
   function getGroupsTree($id, $tree, &$_result, &$level = 0)
   {
      while (list($row_key, $row) = each($tree))
      {        
          if ($row['parent'] == $id)
          {                
             $level++;
             unset($row['parent']);      
             $_result[$row['id']] = $row;                   
             $_parentNode = &$_result[$row['id']];
            if ($level < 3) $this->getGroupsTree($row['id'], $tree, $_parentNode, $level);
            $level--;
           }
      }
   } 
   
   
   function GetList($id_site,$idtypeauto,$idmark,$model)
   {
      $_data=$this->DB->Query("SEL ECT * FR OM `".AC_DB_PREFIX."grouptree` wh ere idmodel=".$model." and pictureindex is not null and pictureindex<>'' order by SORTORDER, GROUPNO");
      if (count($_data)==0) {$_data=$this->DB->Query("SELECT * FR OM `".AC_DB_PREFIX."grouptree` where idmodel=(SEL ECT BASIS_MODEL_ID fr om ".AC_DB_PREFIX."models where ID= ".$model.") and pictureindex is not null and pictureindex<>'' order by SORTORDER, GROUPNO");}
      
      foreach ($_data as $__data) { 
         $this->data[] = Array (
            "id" => $__data['GROUPNO'],
            "nameshort" => $__data['GROUPNAME']
         );
      }
   }    
   
   
}

<b>Fatal error</b>:  Uncaught Error: Cannot instantiate abstract class Bitrix\Main\Application in /home/bitrix/www/bitrix/modules/main/lib/application.php:102
Stack trace:
#0 /home/bitrix/www/bitrix/modules/main/lib/application.php(744): Bitrix\Main\Application::getInstance()
#1 /home/bitrix/www/bitrix/modules/main/lib/diag/fileexceptionhandlerlog.php(28): Bitrix\Main\Application::getDocumentRoot()
#2 /home/bitrix/www/bitrix/modules/main/lib/application.php(512): Bitrix\Main\Diag\FileExceptionHandlerLog->initialize()
#3 [internal function]: Bitrix\Main\Application->createExceptionHandlerLog()
#4 /home/bitrix/www/bitrix/modules/main/lib/diag/exceptionhandler.php(208): call_user_func_array()
#5 /home/bitrix/www/bitrix/modules/main/lib/diag/exceptionhandler.php(404): Bitrix\Main\Diag\ExceptionHandler->getHandlerLog()
#6 /home/bitrix/www/bitrix/modules/main/lib/diag/exceptionhandler.php(272): Bitrix\Main\Diag\ExceptionHandler->writeToLog()
#7 [internal function]: Bitrix\Main\Diag\ExceptionHandler->handleException()
#8 {main}
  thrown in <b>/home/bitrix/www/bitrix/modules/main/lib/application.php</b> on line <b>102</b><br />