When activating offline a single user license for Trados 2019 or older versions the following error messages are displayed:
Offline activation failed.
No license type found.
Offline activation failed.
Error[93]: The given license code is already added to the "no-net" license server. :VLSaddFeatureToFile
Exception of type
'SentinelRMSCore.RMSException.RMSLicenseCoreException' was thrown.