Why is Nebula not recognizing my license?

Zyxel_JonasTan

If you encounter an event similar to the figure below while attempting to add a Nebula license, it indicates that the license has already been utilized.

You can verify the license status here:

If you experience different symptoms, please don't hesitate to create a ticket on Nebula (for PRO pack users) or post a discussion here for additional assistance.