corosync_1.2.1-1~bpo50+1_amd64.changes is already present on target host: -rw-r--r-- 1 dak debadmin 2745 Jul 8 11:46 corosync_1.2.1-1~bpo50+1_amd64.changes Either you already uploaded it, or someone else came first. Job corosync_1.2.1-1~bpo50+1_amd64.changes removed. Greetings, Your Debian queue daemon