PHP堆栈跟踪(php stack trace)

PHP message: PHP Stack trace:PHP message: PHP   1. {main}() /home/www/ford4s/public/index.php:0PHP message: PHP   2. AMAI\Application->run() /home/www/ford4s/public/index.php:20PHP message: PHP   3. Phalcon\Mvc\Application->handle() /home/www/ford4s/app/Application.php:90PHP message: PHP   4. Phalcon\Mvc\View->render() /home/www/ford4s/app/Application.php:90PHP message: PHP   5. Phalcon\Mvc\View->_engineRender() /home/www/ford4s/app/Application.php:0PHP message: PHP   6. Phalcon\Mvc\View\Engine\Volt->render() /home/www/ford4s/app/Application.php:0PHP message: PHP   7. Phalcon\Mvc\View\Engine\Volt->render() /home/www/ford4s/app/Application.php:0" while reading response header from upstream, client: 218.108.35.150, server: ford4s.amailive.com, request: "GET /account/signin HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "ford4s.amailive.com"

Nginx日志追踪一:

PHP message: PHP Notice:  Trying to get property of non-object in /home/www/mlk/cache/app/backend/views/courses/control.phtml on line 264

错误代码页面：