อยากทราบว่า error เพราะอะไรครับ รบกวนช่วยดูทีครับ

Fatal error: Uncaught exception 'Zend_Gdata_App_HttpException' with message 'Unable to Connect to ssl://www.google.com:443. Error #71335112: Unable to find the socket transport "ssl" - did you forget to enable it when you configured PHP?' in C:\AppServ\www\coolwifi\Zend\Gdata\ClientLogin.php:140 Stack trace: #0 C:\AppServ\www\coolwifi\sms.php(40): Zend_Gdata_ClientLogin::getHttpClient('tanarot.pheawon...', 'auikung2530', 'cl') #1 C:\AppServ\www\coolwifi\sms.php(94): send_sms('tanarot.pheawon...', 'auikung2530', '???????????????...', '???????????????...') #2 {main} thrown in C:\AppServ\www\coolwifi\Zend\Gdata\ClientLogin.php on line 140