SFTP Exception - Channel was closed

I am trying to download files from SFTp server, When i use Enumerate object activity i am getting the error
RemoteException wrapping System.AggregateException: One or more errors occurred. —> RemoteException wrapping Renci.SshNet.Common.SshException: Channel was closed.

the connection was establised and even the folder is found.

You’re blocked from accessing the folder, could be privileges, could be network restrictions

Consider checking your role access for starters - ask the person who created that folder to grant you permission to access it