Fatal error: Uncaught Exception: Facebook needs the JSON PHP extension. in /home/casde/public_html/new/library/Facebook/base_facebook.php:22 Stack trace: #0 /home/casde/public_html/new/library/Facebook/facebook.php(18): require_once() #1 /home/casde/public_html/new/application/Bootstrap.php(2): require_once('/home/casde/pub...') #2 /home/casde/public_html/new/library/Zend/Application.php(320): require_once('/home/casde/pub...') #3 /home/casde/public_html/new/library/Zend/Application.php(184): Zend_Application->setBootstrap('/home/casde/pub...', 'Bootstrap') #4 /home/casde/public_html/new/library/Zend/Application.php(92): Zend_Application->setOptions(Array) #5 /home/casde/public_html/new/library/App/Application.php(12): Zend_Application->__construct('production', Array) #6 /home/casde/public_html/new/public/index.php(32): App_Application->__construct('production', '/home/casde/pub...', Object(Zend_Cache_Core)) #7 {main} thrown in /home/casde/public_html/new/library/Facebook/base_facebook.php on line 22