Avoid default qty if more than 1 ticket

functions.php

<?php


add_filter( 'tribe_ext_set_default_qty_load_js', function ( $should_load ) {
	$post = get_post();

	if ( empty( $post ) ) {
		return $should_load;
	}

	$tickets = Tribe__Tickets__Tickets::get_event_tickets( $post->ID );

	if ( $tickets > 1 ) {
		$should_load = false;
	}

	return $should_load;
} );