When you are using a private repository, we collect emails so that you can communicate with the issue reporter. For privacy reason the email is not shared on the issue, however from the issue you can still communicate with the reporter. The reporter can also still communicate with you by replying with the confirmation email.
The most common reason is that you have not set the origin for your site. You can fix this by configuring it in the Issue Embed Dashboard.
Question not answered above? Use Issue Embed to the side!
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* Only applies to non-commercial open source, which generally: means not primarily intended for or directed towards commercial advantage or monetary compensation. For educational purposes and open source are generally considered non-commercial. Not sure whether you fit into this? Feel free to email me!.