only allow actions (admin) when in right state; prepare decline reason

- fixes on path's and varnames

functions.php

@@ -36,7 +36,7 @@ function exec_curl_request($handle)
 		if ($http_code == 401) {
 			throw new Exception('Invalid access token provided');
 		}
-		return false;
+		throw new Exception("Server responds: '" . $response['error'] . "'");
 	} else {
 		$response = json_decode($response, true);
 		if (isset($response["event_id"])) {