/boinc_7.8.3+dfsg-1exp1_source.changes is already present on target host: boinc_7.8.3+dfsg.orig.tar.gz Either you already uploaded it, or someone else came first. Job boinc_7.8.3+dfsg-1exp1_source.changes removed. Greetings, Your Debian queue daemon (running on host usper.debian.org)