guys please help me unable to apt-get update
the output is
20% [9 InRelease gpgv 23.4 kB] [7 Sources 76.5 kB/1,064 kB 7%] [Waiting for heaSplitting up /var/lib/apt/lists/partial/www.plexapp.com_repo_dists_lucid_InReleasIgn hp://ww.plexapp.com lucid InRelease
E: GPG error: http://www.plexapp.com lucid InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)
draguve@Patil-Server:~$
Full Output :
https://justpaste.it/hajh