( ! ) Fatal error: Uncaught exception 'Facebook\Exceptions\FacebookSDKException' with message 'Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID"' in /home/vkursi/web/vkursi.com/public_html/plugins/vkursi/lib/Facebook/Facebook.php on line 139
( ! ) Facebook\Exceptions\FacebookSDKException: Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID" in /home/vkursi/web/vkursi.com/public_html/plugins/vkursi/lib/Facebook/Facebook.php on line 139
Call Stack
#	Time	Memory	Function	Location
1	0.0000	238272	{main}( )	.../index.php:0
2	0.0037	704480	Router->Exec( )	.../index.php:58
3	0.0329	2793440	Router->ExecAction( )	.../Router.class.php:126
4	0.0369	2855520	Action->ExecEvent( )	.../Router.class.php:337
5	0.0370	2857040	call_user_func_array:{/home/vkursi/web/vkursi.com/public_html/engine/classes/Action.class.php:170} ( )	.../Action.class.php:170
6	0.0370	2857368	PluginVkursi_ActionRegistration->EventAttachFacebook( )	.../Action.class.php:170
7	0.0370	2861768	Facebook->__construct( )	.../ActionRegistration.class.php:545
8	0.0374	2878152	Facebook\Facebook->__construct( )	.../facebook.php:16