"Pieter Jansen" <pjansen(at)gmail(dot)com> writes: > 2008-02-25 17:07:28 CET PANIC: failed to add item to the right > sibling for "ttrss_user_entries_feed_id" > What information is needed to further investigate this? What's the exact index definition (including datatypes of the index columns)? Are you using a nondefault fill factor? regards, tom lane