Meta Data on Media

I am trying to connect a custom post type to my media as to give my photographers and subjects of photos credit. The admin boxes are showing up just fine, however when I save, the data that I put into the additional fields appears to be lost. Here is my register function:

p2p_register_connection_type( array(
	'name' => 'attachments_to_people',
	'from' => 'attachment',
	'to' => 'person',
	'admin_box' => array(
		'show' => 'from',
		'context' => 'advanced'
	),
	'sortable' => 'from',
	'fields' => array(
		'role' => array(
			'title' => 'Role',
			'type' => 'text'
		),
		'weight' => array(
			'title' => 'Weight (0-99)',
			'type' => 'text',
		)
	)
) );

The ‘role’ could be ‘photographer’,’subject’ or something describing who they are in the image ‘clown’, ‘cowboy’, whatever.
Thank you for your help!

https://www.ads-software.com/plugins/posts-to-posts/