Adobe Sign for SharePoint Install error

I am using SharePoint Server 2016 Enterprise On Premise with the latest CU installed.

When trying to install Adobe Sign the installer throws an Unhandled Exception. There is no error message explaining the exception other than Object reference not set to an instance of an object. It gives the option to Continue or Quit but neither of those options does anything other than to exit the install at that point. 

Has anyone else received this error and found a soulution to get past it?

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.SharePoint.SPSite.get_SqlSession()
at Microsoft.SharePoint.SPFeatureCollection.EnsureFeaturesData()
at Microsoft.SharePoint.SPFeatureCollection.get_Count()
at Microsoft.SharePoint.SPFeatureCollection.SPFeatureCollectionEnumerator.System.Collections.IEnumerator.MoveNext()
at CodePlex.SharePointInstaller.FeatureActivator.isFeatureActivated(SPFeatureCollection features, Guid featureId)
at CodePlex.SharePointInstaller.FeatureActivator.IsFeatureActivatedOnSite(SPSite sitex, Guid featureId)
at CodePlex.SharePointInstaller.SiteCollectionDeploymentTargetsControl.numSiteCollectionsWhereFeatureActivated(SPWebApplication webApp)
at CodePlex.SharePointInstaller.SiteCollectionDeploymentTargetsControl.IsFeatureActivatedOnAllWebApplications()
at CodePlex.SharePointInstaller.SiteCollectionDeploymentTargetsControl..ctor(ReadOnlyCollection`1 featureIds)
at CodePlex.SharePointInstaller.SystemCheckControl.AddInstallControls()
at CodePlex.SharePointInstaller.SystemCheckControl.FinalizeChecks()
at CodePlex.SharePointInstaller.SystemCheckControl.TimerEventProcessor(Object myObject, EventArgs myEventArgs)
at System.Windows.Forms.Timer.OnTick(EventArgs e)
at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)