/gazebo_5.0.1+dfsg-1_amd64.changes is already present on target host: gazebo5-doc_5.0.1+dfsg-1_all.deb Either you already uploaded it, or someone else came first. Job gazebo_5.0.1+dfsg-1_amd64.changes removed. Greetings, Your Debian queue daemon (running on host franck.debian.org)