Error: Initializing Form TypeError: Illegal Constructor

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08-06-2019 06:26 AM
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Occasional Contributor

I have a very simple, three question survey that I cannot get to load in a web browser.  All three are text fields.  I initially tried building the survey in Survey123 Connect as I normally do but ran into the issue when trying to load the survey in a web browser.  So I attempted to build the same survey in the web interface and received the same error.

Link to the survey:

https://arcg.is/Gunj1 

Thanks.

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The issue turned out to be my organization had a block on updating browsers.  Once I reinstalled Chrome (it was running version 56.x and updated to 77.x) the issue went away.

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It works fine for me on chrome, Firefox, and internet explorer. Did you fix it already?

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Thank you for testing Kassandra.  I'm guessing there was something in my cache that was causing an issue.  I received the same error on another survey then decided to clear the cache and try again.  Works for me now as well.

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Running into this issue again, in multiple browsers and now on different machines.  Same error on any survey I open in a web browser.

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Hmmm I would publish the form with just those three questions, no customization like adding the logo or changing background colors and add everything back one at a time, maybe you can catch the issue that way. And this is happening on all your surveys you've created now?

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Right so here's a screenshot from a completely different survey (that has no custom submission logo or anything like that) with the same error.

I can view both surveys fine in the app version of Survey123 just not in the web.  And this limitation is only on certain machines.  For instance I can't view the survey on my work computer but can view it from my laptop using the same login credentials and same browser.  However if I remote into another machine that I frequently do work on I can no longer view the survey on it (initially I had no issues on that machine.)  I can also view the survey without issue on my Android phone in a web browser.  

I initially believed it to be some sort of cache issue but I have cleared the cache and not had any luck.  I have also tried on Firefox and receive the same error.  On Edge I get a different error completely saying "TypeError: Object doesn't support property or method 'after'" Internet Explorer I haven't had issue with.

Puzzling.

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The issue turned out to be my organization had a block on updating browsers.  Once I reinstalled Chrome (it was running version 56.x and updated to 77.x) the issue went away.

View solution in original post

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