While the Duplicate functionality is useful for quickly creating copies of events without having to create each event from scratch, duplicating Tickets along with events may not be the intended behavior.

Here’s a PHP code snippet that can help prevent the duplication or cloning of Tickets along with events;

Add the code snippet to the functions.php file of your theme, or use your preferred method for integrating snippets into your WordPress site, such as the free Code Snippets plugin.