/catkin_0.6.14-1.drp80+1_amd64.changes is already present on target host: catkin_0.6.14-1.drp80+1_all.deb Either you already uploaded it, or someone else came first. Job catkin_0.6.14-1.drp80+1_amd64.changes removed. Greetings, Your Debian queue daemon (running on host franck.debian.org)