# Failed to execute 'postMessage' on 'DOMWindow'

**URL:** <https://meta.discourse.org/t/failed-to-execute-postmessage-on-domwindow/296690>\
**Category:** Support\
**Tags:** embedding\
**Created:** [February 26, 2024, 12:07am UTC](https://meta.discourse.org/t/failed-to-execute-postmessage-on-domwindow/296690 "2024-02-26T00:07:41Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Joseph3](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/joseph3/32/365522_2.png) [@Joseph3](https://meta.discourse.org/u/Joseph3)\
**Post date:** [February 27, 2024, 3:27am UTC](https://meta.discourse.org/t/failed-to-execute-postmessage-on-domwindow/296690/6 "2024-02-27T03:27:24Z")

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Any ideas on this Simon? I am happy to provide any outputs or code examples you need.

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