diff --git a/src/components/ui/VnConfirm.vue b/src/components/ui/VnConfirm.vue
index 4fa374b62..0fbc55cfb 100644
--- a/src/components/ui/VnConfirm.vue
+++ b/src/components/ui/VnConfirm.vue
@@ -30,10 +30,10 @@ const props = defineProps({
     },
 });
 
-defineEmits(['confirm', ...useDialogPluginComponent.emits]);
-defineExpose({ show: () => dialogRef.value.show(), hide: () => dialogRef.value.hide() });
+defineEmits([...useDialogPluginComponent.emits]);
 
-const { dialogRef, onDialogOK } = useDialogPluginComponent();
+const { dialogRef, onDialogHide, onDialogOK, onDialogCancel } =
+    useDialogPluginComponent();
 
 const title = props.title || t('Confirm');
 const message =
@@ -53,9 +53,13 @@ async function confirm() {
     }
     onDialogOK(props.data);
 }
+
+function cancel() {
+    onDialogCancel();
+}
 </script>
 <template>
-    <QDialog ref="dialogRef">
+    <QDialog ref="dialogRef" @hide="onDialogHide">
         <QCard class="q-pa-sm">
             <QCardSection class="row items-center q-pb-none">
                 <QAvatar
@@ -67,7 +71,14 @@ async function confirm() {
                 />
                 <span class="text-h6">{{ title }}</span>
                 <QSpace />
-                <QBtn icon="close" :disable="isLoading" flat round dense v-close-popup />
+                <QBtn
+                    icon="close"
+                    :disable="isLoading"
+                    flat
+                    round
+                    dense
+                    @click="cancel()"
+                />
             </QCardSection>
             <QCardSection class="q-pb-none">
                 <span v-if="message !== false" v-html="message" />
@@ -81,7 +92,7 @@ async function confirm() {
                     color="primary"
                     :disable="isLoading"
                     flat
-                    v-close-popup
+                    @click="cancel()"
                 />
                 <QBtn
                     :label="t('globals.confirm')"
diff --git a/src/pages/Ticket/Card/TicketSale.vue b/src/pages/Ticket/Card/TicketSale.vue
index c786c67e3..3426db880 100644
--- a/src/pages/Ticket/Card/TicketSale.vue
+++ b/src/pages/Ticket/Card/TicketSale.vue
@@ -2,6 +2,7 @@
 import { onMounted, ref, computed, onUnmounted, watch } from 'vue';
 import { useI18n } from 'vue-i18n';
 import { useRouter, useRoute } from 'vue-router';
+import { useQuasar } from 'quasar';
 
 import FetchData from 'components/FetchData.vue';
 import FetchedTags from 'components/ui/FetchedTags.vue';
@@ -23,6 +24,7 @@ import useNotify from 'src/composables/useNotify.js';
 import axios from 'axios';
 import VnTable from 'src/components/VnTable/VnTable.vue';
 import VnUsesMana from 'src/components/ui/VnUsesMana.vue';
+import VnConfirm from 'src/components/ui/VnConfirm.vue';
 
 const route = useRoute();
 const router = useRouter();
@@ -32,7 +34,7 @@ const { notify } = useNotify();
 const { openConfirmationModal } = useVnConfirm();
 const editPriceProxyRef = ref(null);
 const stateBtnDropdownRef = ref(null);
-
+const quasar = useQuasar();
 const arrayData = useArrayData('ticketData');
 const { store } = arrayData;
 const selectedRows = ref([]);
@@ -51,6 +53,7 @@ const transfer = ref({
     sales: [],
 });
 const tableRef = ref([]);
+const canProceed = ref();
 
 watch(
     () => route.params.id,
@@ -214,7 +217,9 @@ const addSale = async (sale) => {
     }
 };
 
-const changeQuantity = (sale) => {
+const changeQuantity = async (sale) => {
+    canProceed.value = await isSalePrepared(sale);
+    if (!canProceed.value) return;
     if (
         !sale.itemFk ||
         sale.quantity == null ||
@@ -226,6 +231,8 @@ const changeQuantity = (sale) => {
 };
 
 const updateConcept = async (sale) => {
+    canProceed.value = await isSalePrepared(sale);
+    if (!canProceed.value) return;
     try {
         const data = { newConcept: sale.concept };
         await axios.post(`Sales/${sale.id}/updateConcept`, data);
@@ -286,6 +293,8 @@ const onOpenEditDiscountPopover = async (sale) => {
 };
 
 const updatePrice = async (sale) => {
+    canProceed.value = await isSalePrepared(sale);
+    if (!canProceed.value) return;
     try {
         const newPrice = edit.value.price;
         if (newPrice != null && newPrice != sale.price) {
@@ -300,12 +309,18 @@ const updatePrice = async (sale) => {
     }
 };
 
-const changeDiscount = (sale) => {
+const changeDiscount = async (sale) => {
+    canProceed.value = await isSalePrepared(sale);
+    if (!canProceed.value) return;
     const newDiscount = edit.value.discount;
     if (newDiscount != null && newDiscount != sale.discount) updateDiscount([sale]);
 };
 
 const updateDiscount = async (sales, newDiscount = null) => {
+    for (const sale of sales) {
+        const canProceed = await isSalePrepared(sale);
+        if (!canProceed) return;
+    }
     const saleIds = sales.map((sale) => sale.id);
     const _newDiscount = newDiscount || edit.value.discount;
     const params = {
@@ -433,7 +448,9 @@ onUnmounted(() => (stateStore.rightDrawer = false));
 const items = ref([]);
 const newRow = ref({});
 
-const updateItem = (row) => {
+const updateItem = async (row) => {
+    canProceed.value = await isSalePrepared(row);
+    if (!canProceed.value) return;
     const selectedItem = items.value.find((item) => item.id === row.itemFk);
     if (selectedItem) {
         row.item = selectedItem;
@@ -476,6 +493,55 @@ const endNewRow = (row) => {
     }
 };
 
+async function isSalePrepared(item) {
+    const filter = {
+        params: {
+            where: { ticketFk: route.params.id },
+            order: ['concept ASC', 'quantity DESC'],
+        },
+    };
+    const { data } = await axios.get(`SaleTrackings/${route.params.id}/filter`, {
+        params: {
+            filter: JSON.stringify(filter),
+        },
+    });
+
+    const matchingSale = data.find((sale) => sale.itemFk === item.itemFk);
+    if (!matchingSale) {
+        return true;
+    }
+
+    if (
+        matchingSale.hasSaleGroupDetail ||
+        matchingSale.isControled ||
+        matchingSale.isPrepared ||
+        matchingSale.isPrevious ||
+        matchingSale.isPreviousSelected
+    ) {
+        try {
+            await new Promise((resolve, reject) => {
+                quasar
+                    .dialog({
+                        component: VnConfirm,
+                        componentProps: {
+                            title: t('Item prepared'),
+                            message: t(
+                                'This item is already prepared. Do you want to continue?'
+                            ),
+                            data: item,
+                        },
+                    })
+                    .onOk(() => resolve(true))
+                    .onCancel(() => reject(new Error('cancelled')));
+            });
+        } catch (error) {
+            tableRef.value.reload();
+            return false;
+        }
+    }
+    return true;
+}
+
 watch(
     () => newRow.value.itemFk,
     (newItemFk) => {
@@ -820,4 +886,6 @@ es:
     You are going to delete lines of the ticket: Vas a eliminar lineas del ticket
     Add item: Añadir artículo
     Transfer lines: Transferir líneas
+    Item prepared: Artículo preparado
+    This item is already prepared. Do you want to continue?: Este artículo ya esta preparado. Desea continuar?
 </i18n>