diff --git a/back/methods/machine-worker/updateInTime.js b/back/methods/machine-worker/updateInTime.js
index cfeda4425..8f663302d 100644
--- a/back/methods/machine-worker/updateInTime.js
+++ b/back/methods/machine-worker/updateInTime.js
@@ -47,9 +47,10 @@ module.exports = Self => {
                 }
             }, myOptions);
 
+            const {maxHours} = await models.MachineWorkerConfig.findOne({fields: ['maxHours']}, myOptions);
+            const hoursDifference = (Date.vnNow() - machineWorker.inTime.getTime()) / (60 * 60 * 1000);
+
             if (machineWorker) {
-                const {maxHours} = await models.MachineWorkerConfig.findOne({fields: ['maxHours']}, myOptions);
-                const hoursDifference = (Date.vnNow() - machineWorker.inTime.getTime()) / (60 * 60 * 1000);
                 const isHimself = userId == machineWorker.workerFk;
                 const isSameMachine = machine.id == machineWorker.machineFk;
 
@@ -62,10 +63,9 @@ module.exports = Self => {
                 await machineWorker.updateAttributes({
                     outTime: Date.vnNew()
                 }, myOptions);
+            }
 
-                if (hoursDifference >= maxHours)
-                    await models.MachineWorker.create({machineFk: machine.id, workerFk: userId}, myOptions);
-            } else
+            if (!machineWorker || hoursDifference >= maxHours)
                 await models.MachineWorker.create({machineFk: machine.id, workerFk: userId}, myOptions);
 
             if (tx) await tx.commit();
diff --git a/modules/item/back/methods/item-barcode/delete.js b/modules/item/back/methods/item-barcode/delete.js
index b27782b1b..0eea651d3 100644
--- a/modules/item/back/methods/item-barcode/delete.js
+++ b/modules/item/back/methods/item-barcode/delete.js
@@ -1,7 +1,7 @@
 module.exports = Self => {
     Self.remoteMethod('delete', {
         description: 'Delete an ItemBarcode by itemFk and code',
-        accessType: 'READ',
+        accessType: 'WRITE',
         accepts: [
             {
                 arg: 'barcode',
diff --git a/modules/item/back/methods/item-shelving/getAlternative.js b/modules/item/back/methods/item-shelving/getAlternative.js
index dd497d580..8108bfa6e 100644
--- a/modules/item/back/methods/item-shelving/getAlternative.js
+++ b/modules/item/back/methods/item-shelving/getAlternative.js
@@ -47,7 +47,7 @@ module.exports = Self => {
             return itemShelvings.map(itemShelving => {
                 const item = itemShelving.item();
 
-                const carros = alternatives.filter(alternative => alternative.itemFk == itemShelving.itemFk);
+                const shelvings = alternatives.filter(alternative => alternative.itemFk == itemShelving.itemFk);
 
                 return {
                     id: itemShelving.id,
@@ -56,7 +56,7 @@ module.exports = Self => {
                     size: item.size,
                     longName: item.longName,
                     quantity: itemShelving.visible,
-                    carros
+                    shelvings
                 };
             });
         }
diff --git a/modules/item/back/methods/item-shelving/specs/getAlternative.spec.js b/modules/item/back/methods/item-shelving/specs/getAlternative.spec.js
index 8c8d8a33d..3f4917477 100644
--- a/modules/item/back/methods/item-shelving/specs/getAlternative.spec.js
+++ b/modules/item/back/methods/item-shelving/specs/getAlternative.spec.js
@@ -13,7 +13,7 @@ describe('itemShelving getAlternative()', () => {
         const shelvingFk = 'HEJ';
         const itemShelvings = await models.ItemShelving.getAlternative(shelvingFk);
 
-        expect(itemShelvings[0].carros.length).toEqual(0);
+        expect(itemShelvings[0].shelvings.length).toEqual(0);
     });
 
     it('should return an empty list', async() => {
diff --git a/modules/ticket/back/methods/sale-tracking/setPicked.js b/modules/ticket/back/methods/sale-tracking/setPicked.js
index 990768197..828f6eb7e 100644
--- a/modules/ticket/back/methods/sale-tracking/setPicked.js
+++ b/modules/ticket/back/methods/sale-tracking/setPicked.js
@@ -73,7 +73,7 @@ module.exports = Self => {
                 userFk: userId
             }, myOptions);
 
-            const itemShelving = await models.ItemShelving.findById(itemShelvingFk, myOptions);
+            const itemShelving = await models.ItemShelving.findById(itemShelvingFk, null, myOptions);
 
             await itemShelving.updateAttributes({visible: itemShelving.visible - quantity}, myOptions);
 
@@ -86,8 +86,8 @@ module.exports = Self => {
             await Self.updateTracking(ctx, saleFk, originalQuantity, code, isChecked, null, isScanned, myOptions);
 
             try {
-                const buy = await models.Buy.findById(buyFk, myOptions);
-                if (buy.itemOriginalFk) await models.SaleBuy.create({saleFk, buyFk}, myOptions);
+                const {itemOriginalFk} = await models.Buy.findById(buyFk, {fields: ['itemOriginalFk']}, myOptions);
+                if (itemOriginalFk) await models.SaleBuy.create({saleFk, buyFk}, myOptions);
             } catch (e) {
                 throw new UserError('The sale cannot be tracked');
             }