Solution: A solution has been posted to stack overflow: http://stackoverflow.com/questions/23527519/
Exception: Sonata Admin Filter: Invalid parameter number: number of bound variables does not match number of tokens
Stacktrace
[1] Doctrine\ORM\Query\QueryException: Invalid parameter number: number of bound variables does not match number of tokens at n/a in /var/www/dev.admin.whofinance.de/shared/vendor/doctrine/orm/lib/Doctrine/ORM/Query/QueryException.php line 69 at Doctrine\ORM\Query\QueryException::invalidParameterNumber() in /var/www/dev.admin.whofinance.de/shared/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php line 255 at Doctrine\ORM\Query->_doExecute() in /var/www/dev.admin.whofinance.de/shared/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php line 753 at Doctrine\ORM\AbstractQuery->execute(null, '4') in /var/www/dev.admin.whofinance.de/shared/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php line 610 at Doctrine\ORM\AbstractQuery->getSingleResult('4') in /var/www/dev.admin.whofinance.de/shared/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php line 637 at Doctrine\ORM\AbstractQuery->getSingleScalarResult() in /var/www/dev.admin.whofinance.de/shared/vendor/sonata-project/doctrine-orm-admin-bundle/Datagrid/ProxyQuery.php line 179 at Sonata\DoctrineORMAdminBundle\Datagrid\ProxyQuery->getSingleScalarResult() in /var/www/dev.admin.whofinance.de/shared/vendor/sonata-project/doctrine-orm-admin-bundle/Datagrid/Pager.php line 40 at Sonata\DoctrineORMAdminBundle\Datagrid\Pager->computeNbResult() in /var/www/dev.admin.whofinance.de/shared/vendor/sonata-project/doctrine-orm-admin-bundle/Datagrid/Pager.php line 66 at Sonata\DoctrineORMAdminBundle\Datagrid\Pager->init() in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/cache/prod/classes.php line 9940 at Sonata\AdminBundle\Datagrid\Datagrid->buildPager() in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/cache/prod/classes.php line 9995 at Sonata\AdminBundle\Datagrid\Datagrid->getForm() in /var/www/dev.admin.whofinance.de/shared/vendor/sonata-project/admin-bundle/Sonata/AdminBundle/Controller/CRUDController.php line 175 at Sonata\AdminBundle\Controller\CRUDController->listAction() in line at call_user_func_array(array(object(ReviewAdminController), 'listAction'), array()) in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/bootstrap.php.cache line 2863 at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), '1') in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/bootstrap.php.cache line 2837 at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), '1', true) in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/bootstrap.php.cache line 2966 at Symfony\Component\HttpKernel\DependencyInjection\ContainerAwareHttpKernel->handle(object(Request), '1', true) in /var/www/dev.admin.whofinance.de/releases/20140506092818/app/bootstrap.php.cache line 2246 at Symfony\Component\HttpKernel\Kernel->handle(object(Request)) in /var/www/dev.admin.whofinance.de/releases/20140506092818/web/app.php line 26