Katalon breaks render of webpage, possible issue with javascript

Something is not right when we try to test our web app, normally we have a login page but when Katalon extension is activated the interface is just broken.
Is there a setting we can change in Katalon extension to make this work?

I added a screenshot to show the problem.


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The problem is from the extension that insert some javascript before your app’s javascript what cause an error so you app can’t load properly.

The problem is solved when the order is changed.

I’m wondering if there is a way to determine where the Javascript will be inserted in the page?

I have found a way to get rid of this error. You have to edit the manifest.json file from the extension.

I changed the line 39: “run_at”: “document_start” with “run_at”: “document_end”