babel/polyfill conflict on sessionize.com

[elazar]

I get this when I try to use Pronto on https://sessionize.com/phptek-2020.

Uncaught Error: only one instance of babel/polyfill is allowed
    at Object.<anonymous> (VM65 pronto-content.js:26)
    at Object.2.core-js/shim (VM65 pronto-content.js:29)
    at s (VM65 pronto-content.js:1)
    at VM65 pronto-content.js:1
    at Object.3../lib/polyfill (VM65 pronto-content.js:31)
    at s (VM65 pronto-content.js:1)
    at VM65 pronto-content.js:1
    at Object.192.babel-core/polyfill (VM65 pronto-content.js:4438)
    at s (VM65 pronto-content.js:1)
    at VM65 pronto-content.js:1

[rdohms]

yikes.
Ok, I'll need to dive deeper to see how to solve this.
Thanks for reporting it.