"Unable to convert object into a primitive value" error message appears on Internet Explorer

Currently working on a webpage using Angular 7. The code is functioning perfectly in Chrome, however, I am facing an Exception error while running it in IE:

An issue arises: Can't convert object to primitive value (polyfills.ts)

The source of the error is unclear to me...

I came across a thread suggesting that all classes need a toString method, which I added, but it did not resolve the issue. I also removed all ${}... with no success.

IE Console: IE Console Error Screenshot

Debugger: Debugger Screenshot

angulartypescriptinternet-explorertypeerror

Answer №1

Surprisingly, the issue turned out to be related to a specific line in index.html:

<script type="text/javascript" src="https://maps.google.com/maps/api/js?sensor=true&key=MY_KEY&libraries=places&language=de_DE"></script>

Simply removing this line resolved the problem. However, since it was necessary, I dynamically added it back via JavaScript. This unconventional fix did the trick... Definitely unexpected!

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