./symfony doctrine:build-all-reload: Warning: array_flip(): Can only flip STRING and INTEGER values

sfGuardUser:
  actAs:
    ClientAware: {foreignAlias: Users}
    Timestampable:
  columns:
    id: {type: integer, primary: true, autoincrement: true }
    username: {type: string(128), notnull: true, unique: true }
    algorithm: {type: string(128), default: sha1, notnull: true }
    salt: {type: string(128) }
    password: {type: string(128) }
    is_active: {type: boolean, default: 1 }
    is_super_admin: {type: boolean, default: 0 }
    last_login: {type: timestamp }
    firstName:  { type: string, name: first_name, notnull: false, default: null }
    lastName:   { type: string, name: lastname, notnull: false, default: null }
    email:       { type: string, notnull: false, default: null}
    birthdate:   { type: date, notnull: false, default: null, past: true }
  indexes:
    is_active_idx:
      fields: [is_active]
  relations:
    groups:
      class: sfGuardGroup
      local: user_id
      foreign: group_id
      refClass: sfGuardUserGroup
      foreignAlias: Users
    permissions:
      class: sfGuardPermission
      local: user_id
      foreign: permission_id
      refClass: sfGuardUserPermission
      foreignAlias: Users

Warning: array_flip(): Can only flip STRING and INTEGER values! in /var/www/shared/fotoshop/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php on line 725

Call Stack:
    0.0011      54188   1. {main}() /var/www/shared/project/symfony:0
    0.0175     327060   2. include('/var/www/shared/project/lib/vendor/symfony/lib/command/cli.php') /var/www/shared/project/symfony:14
    0.3650    6788500   3. sfSymfonyCommandApplication->run() /var/www/shared/project/lib/vendor/symfony/lib/command/cli.php:20
    0.3715    6814472   4. sfTask->runFromCLI() /var/www/shared/project/lib/vendor/symfony/lib/command/sfSymfonyCommandApplication.class.php:76
    0.3715    6814472   5. sfBaseTask->doRun() /var/www/shared/project/lib/vendor/symfony/lib/task/sfTask.class.php:97
    0.4203    7451160   6. sfDoctrineBuildAllReloadTask->execute() /var/www/shared/project/lib/vendor/symfony/lib/task/sfBaseTask.class.php:67
    0.4210    7463896   7. sfTask->run() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineBuildAllReloadTask.class.php:85
    0.4215    7469544   8. sfBaseTask->doRun() /var/www/shared/project/lib/vendor/symfony/lib/task/sfTask.class.php:173
    0.4224    7472808   9. sfDoctrineBuildTask->execute() /var/www/shared/project/lib/vendor/symfony/lib/task/sfBaseTask.class.php:67
    2.4554    9762780  10. sfTask->run() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineBuildTask.class.php:156
    2.4556    9762780  11. sfBaseTask->doRun() /var/www/shared/project/lib/vendor/symfony/lib/task/sfTask.class.php:173
    2.4559    9762780  12. sfDoctrineBuildModelTask->execute() /var/www/shared/project/lib/vendor/symfony/lib/task/sfBaseTask.class.php:67
    2.8183   10001504  13. Doctrine_Import_Schema->importSchema() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineBuildModelTask.class.php:72
    3.2427   10889828  14. Doctrine_Import_Builder->buildRecord() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Schema.php:285
    3.2428   10889828  15. Doctrine_Import_Builder->writeDefinition() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:987
    3.2428   10889828  16. Doctrine_Import_Builder->buildDefinition() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:1081
    3.2443   10894200  17. Doctrine_Import_Builder->buildSetUp() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:895
    3.2450   10894628  18. Doctrine_Import_Builder->buildActAs() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:459
    3.2450   10894628  19. Doctrine_Import_Builder->innerBuildActAs() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:701
    3.2450   10894628  20. array_flip() /var/www/shared/project/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/vendor/doctrine/Doctrine/Import/Builder.php:725


Variables in local scope (#19):
  $actAs = array (0 => 'Timestampable', 'ClientAware' => array ('foreignAlias' => 'Users'), 'Timestampable' => NULL)
  $emittedActAs = array ()
  $name = *uninitialized*
  $value = *uninitialized*
  $optionPHP = *uninitialized*
  $realOptions = *uninitialized*
  $currentParent = *uninitialized*
  $build = *uninitialized*
  $level = 0
  $options = *uninitialized*
  $template = *uninitialized*
  $parent = NULL
  $leftActAs = *uninitialized*

        $clientaware0 = new ClientAware(array(
             'foreignAlias' => 'Albums',
             ));
        $this->actAs($clientaware0);