Gutenberg Block Broken

1. Installed and activated plugin.
2. New Post
3. Add Sonaar Gutenberg block

Block shows

"This block has encounter an error and cannot be previewed".

Using console, this is the error shown:

TypeError: $ is not a function. (In '$('.iron-audioplayer')', '$' is undefined)

[Error] Failed to load resource: the server responded with a status of 404 () (moment.min.js.map, line 0)

https://MYSITE.com/wp-content/plugins/mp3-music-player-by-sonaar/public/js/iron-audioplayer/moment.min.js.map

I’ve tried the plugin on two separate WordPress installs (different websites) and the result has been the same.