- Plesk for Linux
When installing a valid Plesk license, the following error message appears in Plesk:
PLESK_ERROR: Error: The license key is invalid. In order to use Plesk, you need to obtain and install a new valid license key.
Your license key has expired. To continue using your Plesk, you must purchase a non-expiring commercial license key.
When retrieving or installing a Plesk license key at Plesk > License Management, the following error appears in Plesk:
PLESK_ERROR: Error: Updated license key is not valid.
When running the "date" command in a command-line interface, it shows incorrect date:
Wrong date is set on the server.
Connect to the Plesk server via SSH.
Set the correct time using the command "date --set=". Here is an example:
# date --set="23 April 2018 10:30:00"
Mon Apr 23 10:30:00 CEST 2018