( ! ) Fatal error: Uncaught Facebook\Exceptions\FacebookSDKException: Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID" in /var/www/clients/client1/web1/web/includes/facebook/Facebook.php on line 133
( ! ) Facebook\Exceptions\FacebookSDKException: Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID" in /var/www/clients/client1/web1/web/includes/facebook/Facebook.php on line 133
Call Stack
#	Time	Memory	Function	Location
1	0.0000	401024	{main}( )	.../app.php:0
2	0.0066	6525040	require_once( '/var/www/clients/client1/web1/web/pages/login_fb.php' )	.../app.php:128
3	0.0327	6549928	Facebook\Facebook->__construct( )	.../login_fb.php:21