Ruby on Rails

I'm in trouble with an pl/sql query. My user ActiveRecord::Base class
has a specific query. When I call this query, I've an error "TypeError
no _dump_data is defined for class Proc".

There is the ActiveRecord::Base class

class Utilisateur < ActiveRecord::Base
self.table_name = 'v1_utilisateur'
self.primary_key = 'utilid'
self.sequence_name = 'SQ1_UTILISATEUR'

has_many :util_service,
:foreign_key => 'utilid',
:conditions => "modcode='SERVICE'",
:order => 'sercode'
has_many :direction,
:class_name => "Utilisateur",
:finder_sql => Proc.new{%Q{SELECT * FROM v1_utilisateur}}
end

I use this instruction to call the query
session[:direction] = @user.direction

What am I doing wrong?

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