Error trying to remove scheduled task

[slundy]

get an error 'access denied' when the script tries to remove the scheduled task:
At C:\ps\fix.intune.ps1:20 char:3

• $rootFolder.DeleteFolder($enrollmentId,0)

• + CategoryInfo          : OperationStopped: (:) [], UnauthorizedAccessException
  + FullyQualifiedErrorId : System.UnauthorizedAccessException