# ReferenceError: JsMediaSDK\_Instance is not defined

**URL:** <https://devforum.zoom.us/t/referenceerror-jsmediasdk-instance-is-not-defined/23467>\
**Category:** Web\
**Created:** [July 7, 2020, 7:20pm UTC](https://devforum.zoom.us/t/referenceerror-jsmediasdk-instance-is-not-defined/23467 "2020-07-07T19:20:08Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![pmogollon](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/pmogollon/32/15868_2.png) [@pmogollon](https://devforum.zoom.us/u/pmogollon)\
**Post date:** [July 9, 2020, 2:52am UTC](https://devforum.zoom.us/t/referenceerror-jsmediasdk-instance-is-not-defined/23467/3 "2020-07-09T02:52:57Z")

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I dont hace a percentage, is not even consistent. Happens sometimes and after clearing cache it may stop appearing, but sometimes it doesnt. It happens on calling init.

Probably is already fixed in 1.7.9, but I cant test with it right now because of captcha.

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