diff --git a/src/app/services/events.service.ts b/src/app/services/events.service.ts
index 3d355a5a9..f2cc203fd 100644
--- a/src/app/services/events.service.ts
+++ b/src/app/services/events.service.ts
@@ -247,15 +247,20 @@ export class EventsService {
         }
 
         for (let  sharedCalendar of this.loggeduser.SharedCalendars) {
-          this.GetCalendarName(sharedCalendar.OwnerUserId).subscribe((e)=> {
-            this.calendarNames[sharedCalendar.CalendarId] = e.FullName
-          })
+          if(sharedCalendar?.OwnerUserId) {
+            this.GetCalendarName(sharedCalendar.OwnerUserId).subscribe((e)=> {
+              this.calendarNames[sharedCalendar.CalendarId] = e.FullName
+            })
+          }
+          
         }
 
         for (let  sharedCalendar of this.loggeduser.OwnerCalendars) {
-          this.GetCalendarName(sharedCalendar.OwnerUserId).subscribe((e)=> {
-            this.calendarNames[sharedCalendar.CalendarId] = e.FullName
-          })
+          if(sharedCalendar?.OwnerUserId) {
+            this.GetCalendarName(sharedCalendar.OwnerUserId).subscribe((e)=> {
+              this.calendarNames[sharedCalendar.CalendarId] = e.FullName
+            })
+          }
         }
       }
     }