Fatal error: Uncaught exception 'Facebook\FacebookSDKException' with message 'You must provide or set a default application id.' in /home/wallpapervn/public_html/application/libraries/Facebook/FacebookSession.php:320 Stack trace: #0 /home/wallpapervn/public_html/application/libraries/Facebook/FacebookRedirectLoginHelper.php(75): Facebook\FacebookSession::_getTargetAppId(NULL) #1 /home/wallpapervn/public_html/application/controllers/Account_private.php(455): Facebook\FacebookRedirectLoginHelper->__construct('http://wallpape...') #2 [internal function]: Account_private->facebook('') #3 /home/wallpapervn/public_html/system/core/CodeIgniter.php(424): call_user_func_array(Array, Array) #4 /home/wallpapervn/public_html/index.php(277): require_once('/home/wallpaper...') #5 {main} thrown in /home/wallpapervn/public_html/application/libraries/Facebook/FacebookSession.php on line 320

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent

Filename: core/Common.php

Line Number: 550

Backtrace:

A PHP Error was encountered

Severity: Error

Message: Uncaught exception 'Facebook\FacebookSDKException' with message 'You must provide or set a default application id.' in /home/wallpapervn/public_html/application/libraries/Facebook/FacebookSession.php:320 Stack trace: #0 /home/wallpapervn/public_html/application/libraries/Facebook/FacebookRedirectLoginHelper.php(75): Facebook\FacebookSession::_getTargetAppId(NULL) #1 /home/wallpapervn/public_html/application/controllers/Account_private.php(455): Facebook\FacebookRedirectLoginHelper->__construct('http://wallpape...') #2 [internal function]: Account_private->facebook('') #3 /home/wallpapervn/public_html/system/core/CodeIgniter.php(424): call_user_func_array(Array, Array) #4 /home/wallpapervn/public_html/index.php(277): require_once('/home/wallpaper...') #5 {main} thrown

Filename: Facebook/FacebookSession.php

Line Number: 320

Backtrace: