旧激活密钥尚未被许可证服务器接受

Cannot active when I change my license to my new mac book from another one.

 

urgent！！！！

 

Hello,
we've changed some settings please check the issue.

 

still same error

 

Please restart your Mac and check once again.

 

still not work. I am upgrade to PD16 from PD13, app ask me input 2 keys(PD16 AND PD13), but key of PD13 report this error!
All of my work has been hanged because of this unbelievable issue.

 

请确保输入的密钥正确无误。您的激活密钥存储在 Parallels 账户中。如果将来不想费心记住大量激活密钥和手动完成升级过程，建议购买 Parallels Desktop 订阅