Error message on deploying Munchkin via GTM | Community
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Anonymous
May 23, 2017
Question

Error message on deploying Munchkin via GTM

  • May 23, 2017
  • 1 reply
  • 1976 views

I'm setting up my Marketo instance and working on getting the Munchkin code onto my site. I'd like to use Google Tag Manager to deploy the Asynchronous option. I've followed the instruction at http://developers.marketo.com/blog/integrating-munchkin-with-google-tag-manager/

Once deployed, I see data being collected as expected on the marketo side, but am getting an unexpected error on my site:

Uncaught TypeError: Cannot read property 'init' of undefined

     at HTLMScriptElement.m (munckin.js:6)

m @ munchkin.js:6

Don't see any other mentions of similar errors so curious if anyone has ideas on how I might be able to resolve the error to redeploy the munchkin tag without throwing errors on site.

Thanks!

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1 reply

SanfordWhiteman
SanfordWhiteman
Level 10
May 23, 2017

If activities are still being logged despite the error, you probably have a second call to Munchkin.init() in your main page code (without loading the Munchkin bootstrapper) as well as in the GTM setup.

Note I don't recommend using GTM for Munchkin. It will lead to lost activities under some circumstances, as a natural consequence of moving to an all-async architecture without later-model tech to back it up.

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