If I undertood the problem right, errors like this occur when you embed http urls inside a page over https. Those error are actually thrown by the browser itself and this verification can be disabled there if you wish (check this page).
However, you may also ensure that you don't have any http urls inside the code of your page, including Issue colletor URL.
I hope it helps.
By the way, I can't tell my thousands of users to change their browser security settings. This has to be fixed in my application.
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