vagrant@mediawiki-vagrant:~$ sudo -u www-data php /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php http://127.0.0.1:8080/w/api.php Talk:LQT User_talk:LQT_test_2014-10-20_2
PHP Catchable fatal error:  Argument 1 passed to Flow\Import\PostImportOperation::__construct() must be an instance of Flow\Import\TopicImportOperation, instance of Flow\Import\PostImportOperation given, called in /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php on line 262 and defined in /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php on line 232
PHP Stack trace:
PHP   1. {main}() /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:0
PHP   2. require_once() /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:33
PHP   3. ConvertLqt->execute() /vagrant/mediawiki/maintenance/doMaintenance.php:101
PHP   4. Flow\Import\Importer->import() /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:28
PHP   5. Flow\Import\TalkpageImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:52
PHP   6. Flow\Import\TopicImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:159
PHP   7. Flow\Import\PostImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:217
PHP   8. Flow\Import\PostImportOperation->__construct() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:262

Catchable fatal error: Argument 1 passed to Flow\Import\PostImportOperation::__construct() must be an instance of Flow\Import\TopicImportOperation, instance of Flow\Import\PostImportOperation given, called in /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php on line 262 and defined in /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php on line 232

Call Stack:
    0.0013     232104   1. {main}() /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:0
    0.0043     546816   2. require_once('/vagrant/mediawiki/maintenance/doMaintenance.php') /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:33
    0.4584   11328040   3. ConvertLqt->execute() /vagrant/mediawiki/maintenance/doMaintenance.php:101
    0.5042   13053200   4. Flow\Import\Importer->import() /vagrant/mediawiki/extensions/Flow/maintenance/convertLqt.php:28
    0.8058   16175120   5. Flow\Import\TalkpageImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:52
    6.1528   29968296   6. Flow\Import\TopicImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:159
   12.8646   31407848   7. Flow\Import\PostImportOperation->import() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:217
   21.1093   31492912   8. Flow\Import\PostImportOperation->__construct() /vagrant/mediawiki/extensions/Flow/includes/Import/Importer.php:262