License incorrectly in active state after incomplete installation using '--subscriptionset'
The 'nxserver --subscriptionset' command is used to install a NoMachine license. In the rare case this procedure fails to complete for whatever reason, the online license incorrectly shows to be "in use", thus preventing subsequent installation attempts.
Workaround: Manually remove the incomplete license using: 'nxserver --subscriptionremove' and reinstall it.
