Can't install my new installation in new mac

I reinstall pd in my new mac, but I can't active it...
when i input key, it ask me to input prev key, when I input prev key and click next, it says:
the old activation key cannot be accepted by the license server



please help me, thank you!

 

Hello, we have sent you a personal message, please reply with the previous version Parallels Desktop license key, so that we can check this further. Thanks.