src/pages/Ticket/Card/TicketPackage.vue

@@ -25,7 +25,7 @@ const crudModelFilter = reactive({
 
 const crudModelRequiredData = computed(() => ({
     packagingFk: null,
-    quantity: null,
+    quantity: 0,
     created: Date.vnNew(),
     ticketFk: route.params.id,
 }));