Error - Joomla\Registry\Registry::loadArray(): Argument #1 ($array) must be of t

$data = json_decode($body);
                if (is_object($data))
                {
                    $profile->loadArray($data);

                    if (isset($data->given_name) && $data->given_name != '')
                        $profile->set('first_name', $data->given_name);
                    else
                    {
                        // No given name, need to return something so Joomla doesn't choke
                        // In this case, we're just using their email handle (before the @) as their name. Not ideal, but it lets them register
                        $profile->set('first_name', substr($profile->get('email'), 0, strpos($profile->get('email'), '@')));
                        // If a name isn't set, then the 'name' field from Google is the email address.
                        // Can't use this as the full name or we'll have irate users.
                        $profile->set('full_name', $profile->get('first_name') . ' ' . $profile->get('last_name'));
                    }
                }

$data = json_decode($body, true);
                $profile->loadObject($data);

                if (isset($data->given_name) && $data->given_name != '')
                    $profile->set('first_name', $data->given_name);
                else
                {
                    // No given name, need to return something so Joomla doesn't choke
                    // In this case, we're just using their email handle (before the @) as their name. Not ideal, but it lets them register
                    $profile->set('first_name', substr($profile->get('email'), 0, strpos($profile->get('email'), '@')));
                    // If a name isn't set, then the 'name' field from Google is the email address.
                    // Can't use this as the full name or we'll have irate users.
                    $profile->set('full_name', $profile->get('first_name') . ' ' . $profile->get('last_name'));
                }

public function fetchProfile($socialId, $fields)
    {
        if (!is_array($fields))
            $fields = array($fields);
        $profile = new JFBConnectProfileDataGoogle();
        if (!empty($fields))
        {
            if ($this->provider->client->isAuthenticated())
            {
                //Get OAuth2 fields first
                $url = 'https://www.googleapis.com/oauth2/v2/userinfo';
                $data = $this->provider->client->query($url);
                $body = JFBConnectUtilities::getResponseBody($data);
                $data = json_decode($body, true);
                $profile->loadObject($data);

                if (isset($data->given_name) && $data->given_name != '')
                    $profile->set('first_name', $data->given_name);
                else
                {
                    // No given name, need to return something so Joomla doesn't choke
                    // In this case, we're just using their email handle (before the @) as their name. Not ideal, but it lets them register
                    $profile->set('first_name', substr($profile->get('email'), 0, strpos($profile->get('email'), '@')));
                    // If a name isn't set, then the 'name' field from Google is the email address.
                    // Can't use this as the full name or we'll have irate users.
                    $profile->set('full_name', $profile->get('first_name') . ' ' . $profile->get('last_name'));
                }

            }
        }
        return $profile;
    }

static function getLinkWithItemId($link, $itemId)
    {
        $app = Factory::getApplication();
        $router = $app->getRouter();

        if ($link)
        {
            if ($router->getMode() == JROUTER_MODE_SEF)
                $url = 'index.php?Itemid=' . $itemId;
            else
                $url = $link . '&Itemid=' . $itemId;
        }
        else
            $url = '';

        return $url;
    }

    static function getLinkWithItemId($link, $itemId)
    {
        $app = Factory::getApplication();
        $router = $app->getRouter();

        if ($link)
        {
            $isSef = JVERSION < 4.0 ? $router->getMode() == JROUTER_MODE_SEF : $app->get('sef');
            if ($isSef)
                $url = 'index.php?Itemid=' . $itemId;
            else
                $url = $link . '&Itemid=' . $itemId;
        }
        else
            $url = '';

        return $url;
    }