topic name issue

Author: Sachin Maheshwari

config/default.js

@@ -35,7 +35,7 @@ module.exports = {
   KAFKA_MESSAGE_ORIGINATOR: process.env.KAFKA_MESSAGE_ORIGINATOR || 'u-bahn-api',
 
   // topics
-  UBAHN_ERROR_TOPIC: process.env.UBAHN_ERROR_TOPIC || 'u-bahn.action.error',
+  UBAHN_ERROR_TOPIC: process.env.UBAHN_ERROR_TOPIC || 'ubahn.action.error',
 
   UBAHN_CREATE_TOPIC: process.env.UBAHN_CREATE_TOPIC || 'u-bahn.action.create',
   UBAHN_UPDATE_TOPIC: process.env.UBAHN_UPDATE_TOPIC || 'u-bahn.action.update',