Greek language not installed in system

[arlla]

Current Location: {'city': u'', 'zip': u'', 'country_code': u'', 'timezone': u'', 'latitude': 0.0, 'country': u'', 'region': u'', 'error': u"u'Http request failed: private range'", 'longtitude': 0.0}
audio.speak: Unrecognized exception: ALTextToSpeech::setLanguage
ALTextToSpeech::setLanguage
Greek language is not installed.
audio.speechDetection: Unrecognized exception: ALSpeechRecognition::setLanguage
AsrEngine::setCurrentLanguage
This engine does not support the following language: Greek
'word'