problem with executing the Invoke-LyncSpray command

[mardmz]

>> Invoke-LyncSpray -userlist users.txt -password Welcome1 -AutoDiscoverURL https://lync.example.com/Dialin -verbose
[*] Retrieving S4B AutoDiscover Information
Unable to retrieve or process AutoDiscover URL: System.ArgumentException - Invalid JSON primitive: .
At C:\LyncSniper-master\LyncSniper.ps1:168 char:7

•   throw "Unable to retrieve or process AutoDiscover URL: " + $_.E ...
  

•   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : OperationStopped: (Unable to retri...ON primitive: .:String) [], RuntimeException
  • FullyQualifiedErrorId : Unable to retrieve or process AutoDiscover URL: System.ArgumentException - Invalid JSON
    primitive: .