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 /home/isanmart.in/public_html/system/vendor/Facebook/Facebook.php:139 Stack trace: #0 /home/isanmart.in/public_html/vqmod/vqcache/vq2-assets_controller_common_header.php(369): Facebook\Facebook->__construct() #1 /home/isanmart.in/public_html/vqmod/vqcache/vq2-system_engine_controller.php(60): ControllerCommonHeader->index() #2 /home/isanmart.in/public_html/vqmod/vqcache/vq2-system_engine_controller.php(77): Controller->getChild() #3 /home/isanmart.in/public_html/assets/controller/common/home.php(36): Controller->render() #4 /home/isanmart.in/public_html/vqmod/vqcache/vq2-system_engine_front.php(42): ControllerCommonHome->index() #5 /home/isanmart.in/public_html/vqmod/vqcache/vq2-system_engine_front.php(29): Front->execute() #6 /home/isanmart.in/public_html/index.php(280): Front->dispatch() #7 {main} thrown in /home/isanmart.in/public_html/system/vendor/Facebook/Facebook.php on line 139