Ошибка при обновлении php до 8

[TypeError] preg_match(): Argument #2 ($subject) must be of type string, array given (0)
/home/bitrix/www/bitrix/modules/main/classes/general/menu.php:223
#0: preg_match
   /home/bitrix/www/bitrix/modules/main/classes/general/menu.php:223
#1: CMenu->RecalcMenu
   /home/bitrix/www/bitrix/components/bitrix/menu/component.php:72
#2: include(string)
   /home/bitrix/www/bitrix/modules/main/classes/general/component.php:607
#3: CBitrixComponent->__includeComponent
   /home/bitrix/www/bitrix/modules/main/classes/general/component.php:105
#4: CBitrixComponent->executeComponent
   /home/bitrix/www/bitrix/modules/main/classes/general/component.php:660
#5: CBitrixComponent->includeComponent
   /home/bitrix/www/bitrix/modules/main/classes/general/main.php:1062
#6: CAllMain->IncludeComponent
   /home/bitrix/www/bitrix/templates/bitrix24/header.php:556
#7: include_once(string)
   /home/bitrix/www/bitrix/modules/main/include/prolog_after.php:106
#8: require(string)
   /home/bitrix/www/bitrix/modules/main/include/prolog.php:11
#9: require_once(string)
   /home/bitrix/www/bitrix/header.php:1
#10: require(string)
   /home/bitrix/www/company/index.php:2 

call_user_func_array(): Argument #1 ($callback) must be a valid callback, class socialnetwork does not have a method "mobileapp" (0)
/home/bitrix/ext_www/domen/bitrix/modules/main/classes/general/module.php:480
#0: ExecuteModuleEventEx
   /home/bitrix/ext_www/domen/bitrix/modules/pull/classes/general/pull_options.php:68
#1: CPullOptions::GetDependentModule
   /home/bitrix/ext_www/domen/bitrix/modules/pull/classes/general/pull_options.php:42
#2: CPullOptions::CheckNeedRun
   /home/bitrix/ext_www/domen/bitrix/modules/pull/classes/general/pull_options.php:616
#3: CPullOptions::OnEpilog
   /home/bitrix/ext_www/domen/bitrix/modules/main/classes/general/module.php:480

#4: ExecuteModuleEventEx
   /home/bitrix/ext_www/domen/bitrix/modules/main/include/epilog_after.php:11
#5: require(string)
   /home/bitrix/ext_www/domen/bitrix/modules/main/include/epilog.php:3

Undefined constant "ERROR_404" (0)
/var/www/bitrix/data/www/belnotary.by/bitrix/modules/main/classes/general/site.php(929)
: eval()'d code:1
#0: eval
/var/www/bitrix/data/www/belnotary.by/bitrix/modules/main/classes/general/site.php:929
#1: CAllSite::GetCurTemplate()
/var/www/bitrix/data/www/belnotary.by/bitrix/modules/main/include.php:409
#2: require_once(string)
/var/www/bitrix/data/www/belnotary.by/bitrix/modules/main/include/prolog_before.php:14
#3: require_once(string)
/var/www/bitrix/data/www/belnotary.by/bitrix/modules/main/include/prolog.php:10
#4: require_once(string)
/var/www/bitrix/data/www/belnotary.by/bitrix/header.php:1
#5: require(string)
/var/www/bitrix/data/www/belnotary.by/index.php:2

                     ELSE 1
                  END,
                  SORT
            ");
            $arSiteTemplateBySite = array();
            while($ar = $dbr->fetch())
            {
               $arSiteTemplateBySite[$ar['SITE_ID']][] = $ar;
            }
            $CACHE_MANAGER->Set("b_site_template", $arSiteTemplateBySite);
         }
         if(is_array($arSiteTemplateBySite[SITE_ID]))
         {
            foreach($arSiteTemplateBySite[SITE_ID] as $ar)
            {
               $strCondition = trim($ar["CONDITION"]);
                929 - здесь !!!! if($strCondition <> '' && (!@eval("return ".$strCondition.";")))
               {
                  continue;
               }
               if(($path = getLocalPath("templates/".$ar["TEMPLATE"], BX_PERSONAL_ROOT)) !== false && is_dir($_SERVER["DOCUMENT_ROOT"].$path))
               {
                  $siteTemplate = $ar["TEMPLATE"];
                  break;
               }
            }
         }
      }
СПАСИБО!

defined("ERROR_404") && ERROR_404 === "Y"

42 define('BX_RESIZE_IMAGE_PROPORTIONAL_ALT', 0);
43 define('BX_RESIZE_IMAGE_PROPORTIONAL', 1);
44 define('BX_RESIZE_IMAGE_EXACT', 2);