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Discussion on: Creating a custom widget for Netlify CMS

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roneo profile image
Roneo.org

Hi @room_js ,
the last block of this page, the demo from CodeSandbox, displays this error:
Unhandled Rejection (SecurityError): The operation is insecure

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room_js profile image
JavaScript Room

Actually it's working fine on my end. Can't reproduce this error, tried FF and Chrome, in both everything is fine. As I see after googling this error might be related to Firefox, but again, it works for me in the latest Firefox. Not sure why you experience it...

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roneo profile image
Roneo.org

Hi,
it works fine now, with Firefox extensions disabled.
I don't know exactly which one was faulty, but I've no time to debug this now
Thanks a lot for having a look!

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room_js profile image
JavaScript Room

Oh, I see. Extensions bring troubles sometimes indeed :) Good to hear that you figured that out!