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 /srv/users/serverpilot/apps/howtomakemoney/public/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php:139 Stack trace: #0 /srv/users/serverpilot/apps/howtomakemoney/public/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(161): Facebook\Facebook->__construct(Array) #1 /srv/users/serverpilot/apps/howtomakemoney/public/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(110): new_fb_login_action() #2 [internal function]: new_fb_login_compat(Object(WP)) #3 /srv/users/serverpilot/apps/howtomakemoney/public/wp-includes/class-wp-hook.php(286): call_user_func_array('new_fb_login_co...', Array) #4 /srv/users/serverpilot/apps/howtomakemoney/public/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #5 /srv/users/serverpilot/apps/howtomakemoney/public/wp-i in /srv/users/serverpilot/apps/howtomakemoney/public/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php on line 139