Fixed bug where error detail might be empty (#478)

* Fixed bug where error detail might be empty

* Added null check to the detail string to prevent errors when detail is not set

* Second check to validate the body field

Author: arunapa

frontend/src/actions/common.js

@@ -64,7 +64,7 @@ export function handleErrors(reason, originalFunc){
 		return (dispatch) => {
 			dispatch({
 				type: NOT_AUTHORIZED,
-				reason: reason.body.detail,
+				reason: reason.body !== undefined && reason.body.detail !== undefined? reason.body.detail : "Forbidden",
 				stack: reason.stack ? reason.stack : "",
 				receivedAt: Date.now()
 			});
@@ -73,7 +73,7 @@ export function handleErrors(reason, originalFunc){
 		return (dispatch) => {
 			dispatch({
 				type: NOT_FOUND,
-				reason: reason.body.detail,
+				reason: reason.body !== undefined && reason.body.detail !== undefined? reason.body.detail : "Not Found",
 				stack: reason.stack ? reason.stack : "",
 				receivedAt: Date.now()
 			});