Fatal error: Uncaught Error: Call to a member function count() on array in /home/phys/domains/phys.hcmus.edu.vn/cache/views/_home_phys_domains_phys.hcmus.edu.vn_apps_websites_frontend_modules_dept_views_dept_index.volt.php:52 Stack trace: #0 [internal function]: unknown() #1 [internal function]: Phalcon\Mvc\View\Engine\Volt->render('/home/phys/doma...', Array, true) #2 [internal function]: Phalcon\Mvc\View->engineRender(Array, 'dept/index', true) #3 [internal function]: Phalcon\Mvc\View->processRender('dept', 'index', Array) #4 [internal function]: Phalcon\Mvc\View->render('dept', 'index') #5 /home/phys/domains/phys.hcmus.edu.vn/public_html/index.php(43): Phalcon\Mvc\Application->handle('/vat-ly-hat-nha...') #6 {main} thrown in /home/phys/domains/phys.hcmus.edu.vn/cache/views/_home_phys_domains_phys.hcmus.edu.vn_apps_websites_frontend_modules_dept_views_dept_index.volt.php on line 52