Redmine

 # emerge --config =www-apps/redmine-0.9.4

Configuring pkg...

 *
 * Upgrade database.
 *
 * Migrate database.
(in /var/lib/redmine)
==  CreateWikis: migrating ====================================================
-- create_table(:wikis)
NOTICE:  CREATE TABLE will create implicit sequence "wikis_id_seq" for serial column "wikis.id" 
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "wikis_pkey" for table "wikis" 
   -> 0.0770s
-- add_index(:wikis, :project_id, {:name=>:wikis_project_id})
rake aborted!
An error has occurred, this and all later migrations canceled:

undefined method `length' for :wikis_project_id:Symbol

(See full trace by running task with --trace)
 * ERROR: www-apps/redmine-0.9.4 failed:
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  54:  Called pkg_config
 *   environment, line 2623:  Called die
 * The specific snippet of code:
 *           RAILS_ENV="${RAILS_ENV}" rake db:migrate || die;
 *
 * If you need support, post the output of 'emerge --info =www-apps/redmine-0.9.4',
 * the complete build log and the output of 'emerge -pqv =www-apps/redmine-0.9.4'.
 * This ebuild is from an overlay named 'gentoo': '//var/db/pkg/'
 * The complete build log is located at '/var/tmp/portage/www-apps/redmine-0.9.4/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/www-apps/redmine-0.9.4/temp/environment'.
 * S: '/var/tmp/portage/www-apps/redmine-0.9.4/work/redmine-0.9.4'