Issue Licence key is detected as terminated

[kayongo]

Server operating system version

Ubuntu 20

Plesk version and microupdate number

18.0.56.2

Hello, I have tried to login to plesk and it asked me licence, I used the original one but it is returning ana error message (I attached a screenshot)
Please help to me, Thanks.

 

[Peter Debik]

Please contact licensing support at https://support.plesk.com, they will be able to help.