Autoplay and "undefined"

Hi,
great plugin. Just having an issue with getting autoplay to work.
also, in the player its labeled undefined. not sure what’s happening.
I use the plugin button to add all parameters, but doesn’t seem to save or something…
http://feelgoodweddingmusic.com

any help is greatly appreciated!

https://ww.wp.xz.cn/plugins/wp-miniaudioplayer/