From 5015120a50017f11825a356c8d23b06a19d0cd04 Mon Sep 17 00:00:00 2001
From: Alexander Zobnin <alexanderzobnin@gmail.com>
Date: Tue, 12 May 2020 13:46:50 +0300
Subject: [PATCH] fix panel crashing if no lastEvent present

---
 src/panel-triggers/components/Problems/Problems.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/panel-triggers/components/Problems/Problems.tsx b/src/panel-triggers/components/Problems/Problems.tsx
index a83d818..c5bc3c5 100644
--- a/src/panel-triggers/components/Problems/Problems.tsx
+++ b/src/panel-triggers/components/Problems/Problems.tsx
@@ -183,14 +183,14 @@ function SeverityCell(props: RTCell<ZBXTrigger>, problemSeverityDesc: TriggerSev
 
   let severityDesc: TriggerSeverity;
   severityDesc = _.find(problemSeverityDesc, s => s.priority === Number(problem.priority));
-  if (problem.lastEvent && problem.lastEvent.severity && problem.value === '1') {
+  if (problem.lastEvent?.severity && problem.value === '1') {
     severityDesc = _.find(problemSeverityDesc, s => s.priority === Number(problem.lastEvent.severity));
   }
 
   color = severityDesc.color;
 
   // Mark acknowledged triggers with different color
-  if (markAckEvents && problem.lastEvent.acknowledged === "1") {
+  if (markAckEvents && problem.lastEvent?.acknowledged === "1") {
     color = ackEventColor;
   }