Call to undefined method insert_attachment

I’m getting a PHP Fatal Error

Call to undefined method Tribe__Events__Community__Main::insert_attachment()
/wp-content/themes/themename/includes/event-management/modules/product/product.php on line 435

Here is the line from the theme.

$upload = Tribe__Events__Community__Main::instance()->insert_attachment( ‘product_image’, $product_id, true );

I’ve updated to the newest version of WordPress, newest version of Event Calendar Plugin and newest version of the Community Event plugin.

It seems none of the methods inside the Submission Handler class will work.