Error migrating from plesk 12.5 to plesk 17

Failed to fetch basic information about resellers, clients and domains data from source servers
Cause: Command execution failed on the local server with non-zero exit code.
command: rsync -l --chmod=Fu=r,Du=rwx,go= -e 'ssh -i /usr/local/psa/var/modules/panel-migrator/sessions/20161101090640/ssh-keys/id_rsa.XXX.XXX.XXX.XXX -p 22 -o PasswordAuthentication=no -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no'...