Swift_IoException: Unable to create a file for enqueuing Message in /home/ivan/host/test/vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php on line 111

Call Stack:
    0.0052     236680   1. {main}() /home/ivan/host/test/vendor/phpunit/phpunit/composer/bin/phpunit:0
    0.1460     660616   2. PHPUnit_TextUI_Command::main(???) /home/ivan/host/test/vendor/phpunit/phpunit/composer/bin/phpunit:63
    0.1460     661240   3. PHPUnit_TextUI_Command->run(???, ???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php:129
   10.7099   31275320   4. PHPUnit_TextUI_TestRunner->doRun(???, ???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php:176
   10.7146   31587896   5. PHPUnit_Framework_TestSuite->run(???, ???, ???, ???, ???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/TextUI/TestRunner.php:350
   10.7148   31589352   6. PHPUnit_Framework_TestSuite->runTest(???, ???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestSuite.php:749
   10.7149   31590040   7. PHPUnit_Framework_TestCase->run(???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestSuite.php:779
   10.7151   31591512   8. PHPUnit_Framework_TestResult->run(???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:783
   10.7162   31648640   9. PHPUnit_Framework_TestCase->runBare() /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestResult.php:648
   10.8626   38285248  10. PHPUnit_Framework_TestCase->runTest() /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:838
   10.8626   38286136  11. ReflectionMethod->invokeArgs(???, ???) /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:988
   10.8626   38286608  12. Artel\ProfileBundle\Tests\Functional\Controller\Api\LeadControllerTest->testPostLeadAction() /home/ivan/host/test/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:988
   22.1881   50424056  13. Artel\ProfileBundle\Tests\Functional\FunctionalTestCase->request(???, ???, ???, ???) /home/ivan/host/test/src/Artel/ProfileBundle/Tests/Functional/Controller/Api/LeadControllerTest.php:172
   22.1882   50425344  14. Symfony\Component\BrowserKit\Client->request(???, ???, ???, ???, ???, ???, ???) /home/ivan/host/test/src/Artel/ProfileBundle/Tests/Functional/FunctionalTestCase.php:138
   22.1895   50452088  15. Symfony\Bundle\FrameworkBundle\Client->doRequest(???) /home/ivan/host/test/vendor/symfony/symfony/src/Symfony/Component/BrowserKit/Client.php:327
   22.1895   50452240  16. Symfony\Component\HttpKernel\Client->doRequest(???) /home/ivan/host/test/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Client.php:111
   22.1895   50452328  17. Symfony\Component\HttpKernel\Kernel->handle(???, ???, ???) /home/ivan/host/test/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Client.php:81
   22.1942   50576720  18. Symfony\Component\HttpKernel\DependencyInjection\ContainerAwareHttpKernel->handle(???, ???, ???) /home/ivan/host/test/app/bootstrap.php.cache:2406
   22.1944   50578544  19. Symfony\Component\HttpKernel\HttpKernel->handle(???, ???, ???) /home/ivan/host/test/app/bootstrap.php.cache:3165
   22.1944   50579040  20. Symfony\Component\HttpKernel\HttpKernel->handleRaw(???, ???) /home/ivan/host/test/app/bootstrap.php.cache:3016
   23.8553   74790528  21. call_user_func_array:{/home/ivan/host/test/app/bootstrap.php.cache:3054}(???, ???) /home/ivan/host/test/app/bootstrap.php.cache:3054
   23.8554   74792072  22. Artel\ProfileBundle\Controller\Api\LeadController->postLeadAction(???) /home/ivan/host/test/app/bootstrap.php.cache:3054
   32.4271   79336160  23. Artel\ProfileBundle\Helper\MailManager->sendEmailNewLeadAddedToAgent(???) /home/ivan/host/test/src/Artel/ProfileBundle/Controller/Api/LeadController.php:503
   41.6399   80842176  24. Artel\SiteBundle\Mail\MailerWrapper->send() /home/ivan/host/test/src/Artel/ProfileBundle/Helper/MailManager.php:994
   46.8194   80893632  25. Swift_Mailer->send(???, ???) /home/ivan/host/test/src/Artel/SiteBundle/Mail/MailerWrapper.php:83
   46.8194   80894024  26. Swift_Transport_SpoolTransport->send(???, ???) /home/ivan/host/test/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mailer.php:85
   46.8225   80935248  27. Swift_FileSpool->queueMessage(???) /home/ivan/host/test/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/SpoolTransport.php:98