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Ask questionsUncaught DOMException: Failed to execute 'postMessage' on 'Window': function h(e,t){return new b(e,t)} could not be cloned.

I am trying to save content and on each saves button the error pops up:

Uncaught DOMException: Failed to execute 'postMessage' on 'Window': function h(e,t){return new b(e,t)} could not be cloned.

Luckily the jsFiddle is public, Please see https://jsfiddle.net/nm8adc64/2/.

jsfiddle/jsfiddle-issues

Answer questions oskarkrawczyk

Turn off Custom Console (beta).

useful!

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