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There are some changes to build_bi.sh for the xtuple-server environment in https://github.com/jgunderson/bi-open/compare/23506?expand=1 .  

Also you need to specify the database and password:

sudo bash build_bi.sh -eblm -c /etc/xtuple/bitest-451-dev/config.js -d database -P password

I have not been able to get the password when I run install-pilot so I change the admin password:

alter user admin with password 'admin';