hi, i'm trying to set up my notebook and desktop pc to sync my documents. so i used local computers in the web app as a sync option, but on my notebook i get the following error:

[2013-11-26 11:29:03 CET] main: Pairing in progress
X11 forwarding request failed
/home/max/.ssh/git-annex-shell: line 4: exec: git-annex-shell: not found
X11 forwarding request failed on channel 0
/home/max/.ssh/git-annex-shell: line 4: exec: git-annex-shell: not found
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
[2013-11-26 11:29:31 CET] PairListener: Syncing with desk_Private_Dokumente 
X11 forwarding request failed on channel 0
/home/max/.ssh/git-annex-shell: line 4: exec: git-annex-shell: not found
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

merge: refs/remotes/desk_Private_Dokumente/master - not something we can merge

merge: refs/remotes/desk_Private_Dokumente/synced/master - not something we can merge
X11 forwarding request failed
/home/max/.ssh/git-annex-shell: line 4: exec: git-annex-shell: not found
X11 forwarding request failed on channel 0
/home/max/.ssh/git-annex-shell: line 4: exec: git-annex-shell: not found
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

my desktop succeeded in adding the repository.

any idea whats going wrong ?

thanks