sdl trados 2019 offline licensing

this type of error 

Description:
Can't activate the license on pc  SDL Trados Studio 2019 without internet connection
Error Message: Error 165  A network request is made to the standalone library.
:VLSaddFeatureToFile

[Exceptipn of type 'SentinelRMSCore.RMSExcepton.RMSLicenseCoreException' was thrown

what else can I do to activate?