Notice: Constant CONSUMER_KEY already defined in /var/www/ on line 2

Notice: Constant CONSUMER_SECRET already defined in /var/www/ on line 3

Notice: Constant OAUTH_CALLBACK already defined in /var/www/ on line 4

Fatal error: Uncaught exception 'Abraham\TwitterOAuth\TwitterOAuthException' with message '<?xml version="1.0" encoding="UTF-8"?><errors><error code="415">Callback URL not approved for this client application. Approved callback URLs can be adjusted in your application settings</error></errors>' in /var/www/ Stack trace: #0 /var/www/ Abraham\TwitterOAuth\TwitterOAuth->oauth('oauth/request_t...', Array) #1 {main} thrown in /var/www/ on line 141