notification.error-handler.ts:23 e
n.handleError @ notification.error-handler.ts:23
notification.error-handler.ts:23 TypeError: Cannot read property 'refresh' of undefined
    at e._next (monitoring.component.ts:171)
    at e.__tryOrUnsub (Subscriber.js:239)
    at e.next (Subscriber.js:186)
    at e._next (Subscriber.js:126)
    at e.next (Subscriber.js:90)
    at e._next (map.js:85)
    at e.next (Subscriber.js:90)
    at e._next (map.js:85)
    at e.next (Subscriber.js:90)
    at e._next (Subscriber.js:126)
    at e.next (Subscriber.js:90)
    at XMLHttpRequest.a (http.es5.js:1226)
    at t.invokeTask (zone.js:421)
    at Object.onInvokeTask (core.es5.js:3881)
    at t.invokeTask (zone.js:420)
    at r.runTask (zone.js:188)
    at e.invokeTask [as invoke] (zone.js:496)
    at f (zone.js:1517)
    at XMLHttpRequest.p (zone.js:1543)
n.handleError @ notification.error-handler.ts:23
9notification.error-handler.ts:23 TypeError: Cannot read property 'id' of undefined
    at monitoring.component.ts:130
    at immutable.es.js:4574
    at e.__iterate (immutable.es.js:3018)
    at e.findEntry (immutable.es.js:4573)
    at e.find (immutable.es.js:4451)
    at e._next (monitoring.component.ts:130)
    at e.__tryOrUnsub (Subscriber.js:239)
    at e.next (Subscriber.js:186)
    at e._next (Subscriber.js:126)
    at e.next (Subscriber.js:90)
    at e._next (map.js:85)
    at e.next (Subscriber.js:90)
    at e._next (map.js:85)
    at e.next (Subscriber.js:90)
    at e._next (Subscriber.js:126)
    at e.next (Subscriber.js:90)
    at XMLHttpRequest.a (http.es5.js:1226)
    at t.invokeTask (zone.js:421)
    at Object.onInvokeTask (core.es5.js:3881)
    at t.invokeTask (zone.js:420)
    at r.runTask (zone.js:188)
    at e.invokeTask [as invoke] (zone.js:496)
    at f (zone.js:1517)
    at XMLHttpRequest.p (zone.js:1543)