The custom sort order specified contains one or more invalid column names: priority%20DESC%2Cbug_status%2Cassigned_to%2Cbug_id. They have been removed from the sort list.
Mon Sep 26 2016 18:22:55 EDT
It's not a bug, it's an undocumented, untested feature that no-one coded.

ID Sev Pri OS Assignee Status Resolution Summary
132 min Nor All greg NEW Feature in pgbouncer appends host and port to app name causing parsing failure
One bug found.
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File a new bug in the "tail_n_mail" product