Scandir errors

Hello, the plugin has errors when it runs scandir. See the below error.

Can you help me to resolve this issue?

Environment:

PHP 7.6
WordPress: 6.0
Using the latest version of WPdiscuz

PHP message: Warning: scandir(vip://wp-content/uploads/wpdiscuz/themes/): failed to open dir: "Automattic\VIP\Files\VIP_Filesystem_Stream_Wrapper::dir_opendir" call failed in /var/www/wp-content/plugins/wpdiscuz/forms/wpdFormAttr/Form.php on line 1670 [] [
    wp-content/plugins/wpdiscuz/forms/wpdFormAttr/Form.php:1670 scandir(), 
    wp-content/plugins/wpdiscuz/utils/class.WpdiscuzHelper.php:349 wpdFormAttr\Form->getThemes(), 
    wp-content/plugins/wpdiscuz/class.WpdiscuzCore.php:1226 WpdiscuzHelper->enqueueWpDiscuzStyle(), 
    wp-includes/class-wp-hook.php:307 WpdiscuzCore->frontendFiles(), 
    wp-includes/class-wp-hook.php:331 WP_Hook->apply_filters(), 
    wp-includes/plugin.php:476 WP_Hook->do_action(), 
    wp-includes/script-loader.php:2156 do_action('wp_enqueue_scripts'), 
    wp-includes/class-wp-hook.php:307 wp_enqueue_scripts(), 
    wp-includes/class-wp-hook.php:331 WP_Hook->apply_filters(), 
    wp-includes/plugin.php:476 WP_Hook->do_action(), 
    wp-includes/general-template.php...