I have the same problem, here is my config:

imports:
- { resource: parameters.ini }
- { resource: security.yml }

framework:
#esi: ~
translator: { fallback: %locale% }
secret: %secret%
charset: UTF-8
router: { resource: "%kernel.root_dir%/config/routing.yml" }
form: true
csrf_protection: true
validation: { enable_annotations: true }
templating: { engines: ['twig'] } #assets_version: SomeVersionScheme
session:
default_locale: %locale%
auto_start: true

Twig Configuration

twig:
debug: %kernel.debug%
strict_variables: %kernel.debug%

Assetic Configuration

assetic:
debug: %kernel.debug%
use_controller: false
# java: /usr/bin/java
filters:
cssrewrite: ~
# closure:
# jar: %kernel.root_dir%/java/compiler.jar
# yui_css:
# jar: %kernel.root_dir%/java/yuicompressor-2.4.2.jar

Doctrine Configuration

doctrine:
dbal:
driver: %database_driver%
host: %database_host%
port: %database_port%
dbname: %database_name%
user: %database_user%
password: %database_password%
charset: UTF8
types:
json: Sonata\Doctrine\Types\JsonType
orm:
#auto_generate_proxy_classes: %kernel.debug%
#auto_mapping: true
entity_managers:
default:
mappings:
ApplicationSonataUserBundle: ~
SonataUserBundle: ~

Swiftmailer Configuration

swiftmailer:
transport: %mailer_transport%
host: %mailer_host%
username: %mailer_user%
password: %mailer_password%

jms_security_extra:
secure_controllers: true
secure_all_services: false

User Configuration

fos_user:
db_driver: orm # other valid values are 'mongodb', 'couchdb' and 'propel'
firewall_name: main
user_class: Application\Sonata\UserBundle\Entity\User
group:
group_class: Application\Sonata\UserBundle\Entity\Group

KNP Menu Configuration

knp_menu:
twig: # use "twig: false" to disable the Twig extension and the TwigRenderer
template: knp_menu.html.twig
templating: false # if true, enables the helper for PHP templates
default_renderer: twig # The renderer to use, list is also available by default

Sonata Cache Configuration

sonata_cache:
caches:
memcache:
prefix: test # prefix to ensure there is no clash between instances
servers:
- {host: 127.0.0.1, port: 11211, weight: 1}

Sonata Block Configuration

sonata_block:
default_contexts: [cms]
blocks:
sonata.admin.block.admin_list:
contexts: [admin]

    #sonata.admin_doctrine_orm.block.audit:
    #    contexts:   [admin]

    sonata.block.service.text:
    sonata.block.service.action:
    sonata.block.service.rss:

    # Some specific blocks from the SonataMediaBundle
    #sonata.media.block.media:
    #sonata.media.block.gallery:
    #sonata.media.block.feature_media:

Sonata Doctrine ORM Admin Configuration

sonata_doctrine_orm_admin:
# default value is null, so doctrine uses the value defined in the configuration
entity_manager: ~

templates:
    form:
        - SonataDoctrineORMAdminBundle:Form:form_admin_fields.html.twig
    filter:
        - SonataDoctrineORMAdminBundle:Form:filter_admin_fields.html.twig
    types:
        list:
            array:      SonataAdminBundle:CRUD:list_array.html.twig
            boolean:    SonataAdminBundle:CRUD:list_boolean.html.twig
            date:       SonataAdminBundle:CRUD:list_date.html.twig
            time:       SonataAdminBundle:CRUD:list_time.html.twig
            datetime:   SonataAdminBundle:CRUD:list_datetime.html.twig
            text:       SonataAdminBundle:CRUD:base_list_field.html.twig
            trans:      SonataAdminBundle:CRUD:list_trans.html.twig
            string:     SonataAdminBundle:CRUD:base_list_field.html.twig
            smallint:   SonataAdminBundle:CRUD:base_list_field.html.twig
            bigint:     SonataAdminBundle:CRUD:base_list_field.html.twig
            integer:    SonataAdminBundle:CRUD:base_list_field.html.twig
            decimal:    SonataAdminBundle:CRUD:base_list_field.html.twig
            identifier: SonataAdminBundle:CRUD:base_list_field.html.twig

        show:
            array:      SonataAdminBundle:CRUD:show_array.html.twig
            boolean:    SonataAdminBundle:CRUD:show_boolean.html.twig
            date:       SonataAdminBundle:CRUD:show_date.html.twig
            time:       SonataAdminBundle:CRUD:show_time.html.twig
            datetime:   SonataAdminBundle:CRUD:show_datetime.html.twig
            text:       SonataAdminBundle:CRUD:base_show_field.html.twig
            trans:      SonataAdminBundle:CRUD:show_trans.html.twig
            string:     SonataAdminBundle:CRUD:base_show_field.html.twig
            smallint:   SonataAdminBundle:CRUD:base_show_field.html.twig
            bigint:     SonataAdminBundle:CRUD:base_show_field.html.twig
            integer:    SonataAdminBundle:CRUD:base_show_field.html.twig
            decimal:    SonataAdminBundle:CRUD:base_show_field.html.twig

Sonata User Configuration

sonata_user:
security_acl: true

from sonatauserbundle.

This issue is very old. Can you please check this against the latest master version?

Feel free to reopen if this error still exists.

from sonatauserbundle.