ServiceManager::get was unable to fetch or create an instance

[manjava]

I have project in zend framework 2 and Doctrine 2 and i generated the Entity for the two data base and copy in one Entity of My Project
when i want to generate the entity doctrine and zend 2 from two data bases i get this errors:config/autoload/local.php : i have this Error:

Zend\ServiceManager\ServiceManager::get was unable to fetch or create an instance for doctrine.entitymanager.orm_alternative on line 122:

ine 122: i have this $entityManager =

$this->getServiceLocator()
        ->get('doctrine.entitymanager.orm_alternative');

config/autoload/local.php

return array(
'doctrine' => array(
    'connection' => array(
        // default connection name
        'orm_default' => array(
            'driverClass' => 'Doctrine\DBAL\Driver\PDOMySql\Driver',
            'params' => array(
                'host'     => 'localhost',
                'port'     => '3306',
                'user'     => 'root',
                'password' => '',
                'dbname'   => 'data1',
                'charset' => 'utf8', 
                'driverOptions' => array(
                        1002=>'SET NAMES utf8'
                ),
            ),
 
                // Alternative DB connection
                'orm_alternative' => array(
                        'driverClass' => 'Doctrine\DBAL\Driver\PDOMySql\Driver',
                        'params' => array(
                                'host'     => 'localhost',
                                'port'     => '3306',
                                'user'     => 'root',
                                'password' => '',
                                'dbname'   => 'data2',
                                'charset' => 'utf8', 
                                'driverOptions' => array(
                                         1002=>'SET NAMES utf8'
                                         ),
                        ),
                ),
 
                // Entity Manager instantiation settings
                'entitymanager' => array(
                        'orm_default' => array(
                                'connection'    => 'orm_default',
                                'configuration' => 'orm_default',
                        ),
                        'orm_alternative' => array(
                                'connection'    => 'orm_alternative',
                                'configuration' => 'orm_alternative',
                        ),
                ),

i have 2 data bases and one Entity contains all tables

how can i resolved that

Thanks in advance