Problems: push only existing triggers to the problems list, #954

src/datasource-zabbix/problemsHandler.ts

@@ -9,6 +9,8 @@ export function joinTriggersWithProblems(problems: ZBXProblem[], triggers: ZBXTr
     const p = problems[i];
     const triggerId = Number(p.objectid);
     const t = triggers[triggerId];
+
+    if (t) {
       const problemDTO: ProblemDTO = {
         timestamp: Number(p.clock),
         triggerid: p.objectid,
@@ -39,6 +41,8 @@ export function joinTriggersWithProblems(problems: ZBXProblem[], triggers: ZBXTr
       problemDTOList.push(problemDTO);
     }
 
+  }
+
   return problemDTOList;
 }