diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index 6b48fcb98..24c28a927 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -211,7 +211,6 @@
 	"You are already using a machine": "You are already using a machine",
 	"This worker does not exist": "This worker does not exist",
 	"this state does not exist": "This state does not exist",
-	"The line could not be marked": "The line could not be marked"
-
-
+	"The line could not be marked": "The line could not be marked",
+	"The sale can not be tracked": "The sale can not be tracked"
 }
\ No newline at end of file
diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 9d6404dac..25fbbda70 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -348,5 +348,6 @@
 	"this state does not exist": "Este estado no existe",
 	"Este estado no existe": "Este estado no existe",
 	"The line could not be marked": "No se ha podido marcar la línea",
-	"No se ha podido marcar la línea": "No se ha podido marcar la línea"
+	"No se ha podido marcar la línea": "No se ha podido marcar la línea",
+	"The sale can not be tracked": "La línea no puede ser rastreada"
 }
\ No newline at end of file
diff --git a/modules/ticket/back/methods/sale-tracking/mark.js b/modules/ticket/back/methods/sale-tracking/mark.js
index c8c73b935..dc288ba93 100644
--- a/modules/ticket/back/methods/sale-tracking/mark.js
+++ b/modules/ticket/back/methods/sale-tracking/mark.js
@@ -89,10 +89,17 @@ module.exports = Self => {
             try {
                 const buy = await models.Buy.findById(buyFk, myOptions);
                 if (buy.itemOriginalFk) await models.SaleBuy.create({saleFk, buyFk}, myOptions);
-            } catch (e) {}
+            } catch (e) {
+                throw new UserError($t('The sale can not be tracked'));
+            }
 
             if (tx) await tx.commit();
         } catch (e) {
+            if (e.message == $t('The sale can not be tracked')) {
+                if (tx) tx.commit();
+                throw e;
+            }
+
             if (tx) await tx.rollback();
             throw new UserError($t('The line could not be marked'));
         }
diff --git a/modules/ticket/back/methods/sale-tracking/specs/mark.spec.js b/modules/ticket/back/methods/sale-tracking/specs/mark.spec.js
index 49e4ec6e5..353a39c49 100644
--- a/modules/ticket/back/methods/sale-tracking/specs/mark.spec.js
+++ b/modules/ticket/back/methods/sale-tracking/specs/mark.spec.js
@@ -1,5 +1,5 @@
 const {models} = require('vn-loopback/server/server');
-describe('saleTracking mark()', () => {
+fdescribe('saleTracking mark()', () => {
     const saleFk = 1;
     const originalQuantity = 10;
     const code = 'PREPARED';
@@ -46,6 +46,44 @@ describe('saleTracking mark()', () => {
         }
     });
 
+    it('should throw an error if there are duplicate salebuys', async() => {
+        const tx = await models.SaleTracking.beginTransaction({});
+        const options = {transaction: tx};
+        try {
+            await models.SaleTracking.mark(
+                ctx,
+                saleFk,
+                originalQuantity,
+                code,
+                isChecked,
+                buyFk,
+                isScanned,
+                quantity,
+                itemShelvingFk,
+                options
+            );
+
+            await models.SaleTracking.mark(
+                ctx,
+                saleFk,
+                originalQuantity,
+                code,
+                isChecked,
+                buyFk,
+                isScanned,
+                quantity,
+                itemShelvingFk,
+                options
+            );
+            await tx.rollback();
+        } catch (e) {
+            const error = e;
+
+            expect(error.message).toEqual('The sale can not be tracked');
+            await tx.rollback();
+        }
+    });
+
     it('should add an itemShelvingSale and Modify a saleTracking', async() => {
         const tx = await models.SaleTracking.beginTransaction({});
         const options = {transaction: tx};
diff --git a/modules/ticket/back/methods/sale/getFromSectorCollection.js b/modules/ticket/back/methods/sale/getFromSectorCollection.js
index 323474cb4..a56966887 100644
--- a/modules/ticket/back/methods/sale/getFromSectorCollection.js
+++ b/modules/ticket/back/methods/sale/getFromSectorCollection.js
@@ -30,7 +30,9 @@ module.exports = Self => {
 
         if (typeof options == 'object') Object.assign(myOptions, options);
 
-        const sales = await Self.rawSql(
+        const sales = await Self.rawSql('CALL sectorCollection_getSale(?)', [sectorCollectionFk], myOptions);
+
+        /*  const sales = await Self.rawSql(
             `SELECT s.ticketFk,
                     s.itemFk,
                     i.longName,
@@ -52,13 +54,14 @@ module.exports = Self => {
                     JOIN client c ON c.id=t.clientFk
                     LEFT JOIN itemShelvingSaleSum iss ON iss.saleFk = s.id
                 WHERE scsg.sectorCollectionFk = ?
-                    AND st.workerFk = ?;`, [sectorCollectionFk, userId]);
+                    AND st.workerFk = ?;`, [sectorCollectionFk, userId]); */
 
         const itemShelvings = [];
         for (let sale of sales) {
             const [carros] = await Self.rawSql(
                 'CALL vn.itemPlacementSupplyStockGetTargetList(?, ?)',
-                [sale.itemFk, sectorFk]
+                [sale.itemFk, sectorFk],
+                myOptions
             );
 
             itemShelvings.push({