ttempt to read property “ID”

Hello maniokas,
You should update the plugin first. If problem still appears and since it is not any fatal error, you can turn off showing the php warning from wp-config.php file. Please follow the article to do this.
https://help.pixflow.net/portal/en/kb/articles/how-to-hide-php-warnings-and-notices-in-wordpress

Thank you.

@ksthannan Thank you! ??