[kagemai-users:0545] PostgreSQLでうまく動きません

[ume@xxxxxxxx]

お世話になっています。梅澤と申します。

現在、影舞にPostgreSQLを入れてみました。

ところが、いざ、プロジェクトの追加をしようとすると、
以下のエラーが出て先に進みません。

どなたか、問題が分かる方いらっしゃるでしょうか？
------------------------------------------------------------------------------
Following errors occurred. Please contact administrator.

Could not load driver (undefined method `Driver' for nil) (DBI::InterfaceError)

/usr/lib/site_ruby/1.6/dbi/dbi.rb:511:in `load_driver'
/usr/lib/site_ruby/1.6/dbi/dbi.rb:401:in `_get_full_driver'
/usr/lib/site_ruby/1.6/dbi/dbi.rb:381:in `connect'
/usr/local/kagemai/lib/kagemai/dbistore.rb:94:in `drop_database'
/usr/local/kagemai/lib/kagemai/pgstore.rb:88:in `destroy'
/usr/local/kagemai/lib/kagemai/pgstore.rb:82:in `create'
/usr/local/kagemai/lib/kagemai/bts.rb:141:in `create_project'
/usr/local/kagemai/lib/kagemai/cgi/action/create_project.rb:150:in `create_project'
/usr/local/kagemai/lib/kagemai/cgi/action/create_project.rb:45:in `send'
/usr/local/kagemai/lib/kagemai/cgi/action/create_project.rb:45:in `execute'
/usr/local/kagemai/lib/kagemai/kagemai.rb:77:in `action'
./guest.cgi:80:in `execute'
/var/www/html/kagemai/admin.cgi:8
-------------------------------
Debug Log: 
環境は以下のとおりです。

Apache 2.0.4
Ruby 1.6.8
Kagemai 0.8.1
PostgreSQL 8.1.1
Ruby/Postgres 0.7.1
Ruby/DBI 0.0.23

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  ume@xxxxxxxx