( ! ) 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/SEO/App/Online/Tool/Site/tool.wecan.ae/Upload/core/library/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 /var/www/SEO/App/Online/Tool/Site/tool.wecan.ae/Upload/core/library/facebook/Facebook.php on line 139
Call Stack
#TimeMemoryFunctionLocation
10.0005369048{main}( ).../index.php:0
20.01701632688require( '/var/www/SEO/App/Online/Tool/Site/tool.wecan.ae/Upload/core/app.php ).../index.php:25
30.07451814768require( '/var/www/SEO/App/Online/Tool/Site/tool.wecan.ae/Upload/core/controllers/facebook.php ).../app.php:158
40.08191879176Facebook\Facebook->__construct( $config = ['app_id' => '', 'app_secret' => ''] ).../facebook.php:38