Error with Disable-ADSyncExportDeletionThreshold

Hi, 

I receive the following error message when trying to execute Disable-ADSyncExportDeletionThreshold:

Disable-ADSyncExportDeletionThreshold : Could not load type
'Microsoft.Azure.ActiveDirectory.Client.Framework.Tracer' from assembly
'Microsoft.Azure.ActiveDirectory.Client.Framework, Version=1.1.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
At line:1 char:1
+ Disable-ADSyncExportDeletionThreshold
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ReadError: (Microsoft.Ident...letionThreshold:Di
   sableADSyncExportDeletionThreshold) [Disable-ADSyncExportDeletionThreshold
  ], TypeLoadException
    + FullyQualifiedErrorId : Could not load type 'Microsoft.Azure.ActiveDirec
   tory.Client.Framework.Tracer' from assembly 'Microsoft.Azure.ActiveDirecto
  ry.Client.Framework, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf
 3856ad364e35'.,Microsoft.IdentityManagement.PowerShell.Cmdlet.DisableADSyn
cExportDeletionThreshold

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Ivan de Sousa