The command "jlaso:translations:update-from-excel" does not work

[jlaso]

I receive this error:

php app/console jlaso:translations:update-from-excel _tmp_excelLRQSwr.xls es
connecting 127.0.0.1 port 10000
Welcome to Tradukoj (1.4) lzf: yesPHP Fatal error:  Call to a member function getRowIterator() on a non-object in /vagrant/vendor/jlaso/translations-apibundle/JLaso/TranslationsApiBundle/Command/TranslationsUpdateFromExcelCommand.php on line 137
PHP Stack trace:
PHP   1. {main}() /vagrant/app/console:0
PHP   2. Symfony\Component\Console\Application->run() /vagrant/app/console:22
PHP   3. Symfony\Bundle\FrameworkBundle\Console\Application->doRun() /vagrant/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:124
PHP   4. Symfony\Component\Console\Application->doRun() /vagrant/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Console/Application.php:96
PHP   5. Symfony\Component\Console\Application->doRunCommand() /vagrant/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:193
PHP   6. Symfony\Component\Console\Command\Command->run() /vagrant/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:894
PHP   7. JLaso\TranslationsApiBundle\Command\TranslationsUpdateFromExcelCommand->execute() /vagrant/vendor/symfony/symfony/src/Symfony/Component/Console/Command/Command.php:252