An error occurred in Majic Projects

array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead

The following error occured:

array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in /var/www/projects.majic.rs/thebuggenie-4.3.1/core/modules/project/templates/timeline.rss.php, line 23