Facebook counter not working – Debug report shows issue

The debug report of this plugin shows this

### FACEBOOK ###
Array
(
    [headers] => Array
        (
            [www-authenticate] => OAuth "Facebook Platform" "invalid_request" "(#4) Application request limit reached"
            [access-control-allow-origin] => *
            [content-type] => application/json; charset=UTF-8
            [x-fb-trace-id] => Amm+d7kogOq
            [x-fb-rev] => 1802208
            [pragma] => no-cache
            [cache-control] => no-store
            [facebook-api-version] => v2.0
            [expires] => Sat, 01 Jan 2000 00:00:00 GMT
            [x-fb-debug] => XNnglJ9WdMLh473YovCZfAZ5rbdfJ7GtljsakwqlU6KCQpPhglRL0gQhyXn5CBTfdBdM2iD9Myl32nd0hHVhtQ==
            [date] => Wed, 24 Jun 2015 10:05:47 GMT
            [connection] => close
            [content-length] => 115
        )

    [body] => {"error":{"message":"(#4) Application request limit reached","type":"OAuthException","is_transient":true,"code":4}}
    [response] => Array
        (
            [code] => 403
            [message] => Forbidden
        )

    [cookies] => Array
        (
        )

    [filename] =>
)

Where can we find the app id or secret that calls the facebook api in the plugin?

https://wordpress.org/plugins/social-count-plus/