diff --git a/src/apps/AppMonitoringObject/Add.vue b/src/apps/AppMonitoringObject/Add.vue
index cb28fe86..9aa00df5 100644
--- a/src/apps/AppMonitoringObject/Add.vue
+++ b/src/apps/AppMonitoringObject/Add.vue
@@ -371,6 +371,8 @@ export default {
             delta: 1
           })
         }
+      }).catch((err) => {
+        this.$u.toast(err)
       })
     },
 
diff --git a/src/apps/AppMonitoringObject/MonitorAddFamilyMember.vue b/src/apps/AppMonitoringObject/MonitorAddFamilyMember.vue
index be59fedf..93abc8bc 100644
--- a/src/apps/AppMonitoringObject/MonitorAddFamilyMember.vue
+++ b/src/apps/AppMonitoringObject/MonitorAddFamilyMember.vue
@@ -392,6 +392,8 @@ export default {
             delta: 1
           })
         }
+      }).catch((err) => {
+        this.$u.toast(err)
       })
     },