Calendar Demo Crash after 10sec on nivo.rocks/calendar

[froger]

Hello,
Visiting the nivo.rocks website, I encounter an error with the calendar demo, here my report, hope it can help.

Describe/explain the bug
the demo of the calendar component crash after few seconds on the nivo.rocks website.

To Reproduce

Steps to reproduce the behaviour:

1. Go to https://nivo.rocks/calendar/, don't do any interactions.
2. Wait more or less 10sec
3. See error: the screen becomes white

Expected behaviour
The component should stay mounted, and I should be able to interact with the component

Console.log

23:09:13.666 VM268:1 XHR finished loading: GET "https://nivo.rocks/page-data/bubble/page-data.json".
23:09:15.112 react-dom.production.min.js:4454 Invariant Violation: Minified React error #130; visit https://reactjs.org/docs/error-decoder.html?invariant=130&args[]=null&args[]= for the full message or use the non-minified dev environment for full errors and additional helpful warnings. 

Desktop:

• OS: Mac Mojave
• Browser Chrome
• Version 86.0

Thank you, and congrats for this great job! Just starting, already in love.

[wyze]

I wasn't able to reproduce this. Any other information you can provide? What about in an incognito window?