Hi I've been following the instructions as stated here Could not activate licenses for the Opta, but I couldn't get it to work. I keep getting the error "Error #104 activating AlPLC_Arduino_Opta: Maximum number of licenses reached."
Thoughts?
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I have the same problem. It's something with license servers? Everything was fine before. It's very frustrating... There are still some problems with OPTA. Maybe it have relation with certificat in memory preparation?
You can contact Arduino using https://www.arduino.cc/en/contact-us.