php7.4 Белый экран после авторизации

//Authorize user from authorization html form
//Only POST is accepted
if (isset($_POST["AUTH_FORM"]) && $_POST["AUTH_FORM"] <> '') {
    $bRsaError = false;
    if (COption::GetOptionString('main', 'use_encrypted_auth', 'N') == 'Y') {
        //possible encrypted user password
        $sec = new CRsaSecurity();
        if (($arKeys = $sec->LoadKeys())) {
            $sec->SetKeys($arKeys);
            $errno = $sec->AcceptFromForm(['USER_PASSWORD', 'USER_CONFIRM_PASSWORD', 'USER_CURRENT_PASSWORD']);
            if ($errno == CRsaSecurity::ERROR_SESS_CHECK)
                $arAuthResult = array("MESSAGE" => GetMessage("main_include_decode_pass_sess"), "TYPE" => "ERROR");
            elseif ($errno < 0)
                $arAuthResult = array("MESSAGE" => GetMessage("main_include_decode_pass_err", array("#ERRCODE#" => $errno)), "TYPE" => "ERROR");

            if ($errno < 0)
                $bRsaError = true;
        }
    }

    if ($bRsaError == false) {
        if (!defined("ADMIN_SECTION") || ADMIN_SECTION !== true)
            $USER_LID = SITE_ID;
        else
            $USER_LID = false;

        if ($_POST["TYPE"] == "AUTH") {
            $arAuthResult = $GLOBALS["USER"]->Login($_POST["USER_LOGIN"], $_POST["USER_PASSWORD"], $_POST["USER_REMEMBER"]);
        } elseif ($_POST["TYPE"] == "OTP") {
            $arAuthResult = $GLOBALS["USER"]->LoginByOtp($_POST["USER_OTP"], $_POST["OTP_REMEMBER"], $_POST["captcha_word"], $_POST["captcha_sid"]);
        } elseif ($_POST["TYPE"] == "SEND_PWD") {
            $arAuthResult = CUser::SendPassword($_POST["USER_LOGIN"], $_POST["USER_EMAIL"], $USER_LID, $_POST["captcha_word"], $_POST["captcha_sid"], $_POST["USER_PHONE_NUMBER"]);
        } elseif ($_POST["TYPE"] == "CHANGE_PWD") {
            $arAuthResult = $GLOBALS["USER"]->ChangePassword($_POST["USER_LOGIN"], $_POST["USER_CHECKWORD"], $_POST["USER_PASSWORD"], $_POST["USER_CONFIRM_PASSWORD"], $USER_LID, $_POST["captcha_word"], $_POST["captcha_sid"], true, $_POST["USER_PHONE_NUMBER"], $_POST["USER_CURRENT_PASSWORD"]);
        } elseif (COption::GetOptionString("main", "new_user_registration", "N") == "Y" && $_POST["TYPE"] == "REGISTRATION" && (!defined("ADMIN_SECTION") || ADMIN_SECTION !== true)) {
            $arAuthResult = $GLOBALS["USER"]->Register($_POST["USER_LOGIN"], $_POST["USER_NAME"], $_POST["USER_LAST_NAME"], $_POST["USER_PASSWORD"], $_POST["USER_CONFIRM_PASSWORD"], $_POST["USER_EMAIL"], $USER_LID, $_POST["captcha_word"], $_POST["captcha_sid"], false, $_POST["USER_PHONE_NUMBER"]);
        }

        if ($_POST["TYPE"] == "AUTH" || $_POST["TYPE"] == "OTP") {
            //special login form in the control panel
            if ($arAuthResult === true && defined('ADMIN_SECTION') && ADMIN_SECTION === true) {
                //store cookies for next hit (see CMain::GetSpreadCookieHTML())
                $GLOBALS["APPLICATION"]->StoreCookies();
                $kernelSession['BX_ADMIN_LOAD_AUTH'] = true;

                // die() follows
                CMain::FinalActions('<sc ript type="text/javascript">window.onl oad=function(){(window.BX || window.parent.BX).AUTHAGENT.setAuthResult(false);};</sc ript>');
            }
        }
    }
    $GLOBALS["APPLICATION"]->SetAuthResult($arAuthResult);
} elseif (!$GLOBALS["USER"]->IsAuthorized()) {
    //Authorize by unique URL
    $GLOBALS["USER"]->LoginHitByHash();
}