Wave Surfer - Unhandled Promise Rejection: TypeError: Load failed

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Hi All.
I made a WordPress plugin running wavesurfer.sj.
Works great on all browsers but in Safari I am getting an error sometimes.
The first time I load it all is good. But if I navigate to a new page and then go back to it I get this error.

Unhandled Promise Rejection: TypeError: Load failed

When I refresh the page a few times then it loads again.

no problems on Firefox and on Chrome.

here is a page link
https://midiwood.com/__aa-tester/

Any Ideas?

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@katspaugh Any ideas on how to fix this?

[katspaugh]

Hard to say w/o seeing the code. That it breaks on a subsequent load might indicate some caching issue.

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Thanks for the reply. I was streaming from dropbox whick normally works great at least on Chrome and Firefix. I have moved the files to my hosting server (Wordpress Media) and now the problem is solved. Obviously got something to do with that set up.