bugfix onunhandledrejection

Author: ZsharE

dist/elmahio.js

@@ -1778,7 +1778,7 @@
             window.onunhandledrejection = function (event) {
                 var errorLog = {
                     'message': event.reason && event.reason.message ? event.reason.message : undefined,
-                    'error': event.reason.message && event.reason.stack ? event.reason : undefined
+                    'error': event.reason && event.reason.message && event.reason.stack ? event.reason : undefined
                 };
 
                 setTimeout(function() { sendPayload(settings.apiKey, settings.logId, confirmResponse, errorLog); }, settings.breadcrumbs ? breadcrumbsDelay : 0);