Image CAPTCHA requires FT fonts support
#0 /var/www/opencities/cities-challenge/library/Zend/Captcha/Image.php(429): Zend_Captcha_Image->_generateImage('848305ec81a3430...', '693uc5')
#1 /var/www/opencities/cities-challenge/application/controllers/IndexController.php(335): Zend_Captcha_Image->generate()
#2 /var/www/opencities/cities-challenge/library/Zend/Controller/Action.php(516): IndexController->registerAction()
#3 /var/www/opencities/cities-challenge/library/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('registerAction')
#4 /var/www/opencities/cities-challenge/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#5 /var/www/opencities/cities-challenge/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#6 /var/www/opencities/cities-challenge/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#7 /var/www/opencities/cities-challenge/public/index.php(40): Zend_Application->run()
#8 {main}