pecisk@pecisk-desktop:~$ cat /tmp/gnucash.trace 
gnucash: /usr/lib/gnucash/libgnc-backend-postgres.so: cannot open shared object file: No such file or directory

failed to load gnc-backend-postgres from /usr/lib/gnucash

loading system configuration
looking for /etc/gnucash/config
trying to load /etc/gnucash/config
loading user configuration
looking for /home/pecisk/.gnucash/config-2.0.user
looking for /home/pecisk/.gnucash/config-1.8.user
looking for /home/pecisk/.gnucash/config-1.6.user
looking for /home/pecisk/.gnucash/config.user
loading auto configuration
looking for /home/pecisk/.gnucash/config-2.0.auto
looking for /home/pecisk/.gnucash/config-1.8.auto
looking for /home/pecisk/.gnucash/config-1.6.auto
looking for /home/pecisk/.gnucash/config.auto
loading saved reports
looking for /home/pecisk/.gnucash/saved-reports-2.0
looking for /home/pecisk/.gnucash/saved-reports-1.8
loading stylesheets
looking for /home/pecisk/.gnucash/stylesheets-2.0
trying to load /home/pecisk/.gnucash/stylesheets-2.0
Error: dom_tree_handlers_all_gotten_p(): Not defined and it should be: act:type
Error: dom_tree_generic_parse(): didn't find all of the expected tags in the input
Error: dom_tree_to_account(): failed to parse account tree
account_parent_handler: assertion `parent' failed
account_parent_handler: assertion `parent' failed
account_parent_handler: assertion `parent' failed
account_parent_handler: assertion `parent' failed
account_parent_handler: assertion `parent' failed
pecisk@pecisk-desktop:~$