diff --git a/package-lock.json b/package-lock.json
index 1936b34..26cb2bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4494,6 +4494,7 @@
         "block-stream": {
           "version": "0.0.9",
           "bundled": true,
+          "optional": true,
           "requires": {
             "inherits": "~2.0.0"
           }
@@ -4515,7 +4516,8 @@
         },
         "buffer-shims": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -4529,7 +4531,8 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
@@ -4545,15 +4548,18 @@
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "boom": "2.x.x"
           }
@@ -4616,7 +4622,8 @@
         },
         "extsprintf": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -4725,6 +4732,7 @@
         "hawk": {
           "version": "3.1.3",
           "bundled": true,
+          "optional": true,
           "requires": {
             "boom": "2.x.x",
             "cryptiles": "2.x.x",
@@ -4766,6 +4774,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -4777,7 +4786,8 @@
         },
         "isarray": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -4965,7 +4975,8 @@
         },
         "process-nextick-args": {
           "version": "1.0.7",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -4998,6 +5009,7 @@
         "readable-stream": {
           "version": "2.2.9",
           "bundled": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "~1.0.0",
             "core-util-is": "~1.0.0",
@@ -5046,7 +5058,8 @@
         },
         "safe-buffer": {
           "version": "5.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -5066,6 +5079,7 @@
         "sntp": {
           "version": "1.0.9",
           "bundled": true,
+          "optional": true,
           "requires": {
             "hoek": "2.x.x"
           }
@@ -5096,6 +5110,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5105,6 +5120,7 @@
         "string_decoder": {
           "version": "1.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.0.1"
           }
@@ -5129,6 +5145,7 @@
         "tar": {
           "version": "2.2.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "block-stream": "*",
             "fstream": "^1.0.2",
@@ -5178,7 +5195,8 @@
         },
         "util-deprecate": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
diff --git a/src/store/PosStore/syncInBackground.js b/src/store/PosStore/syncInBackground.js
index 3b5ce9d..bccc6ba 100644
--- a/src/store/PosStore/syncInBackground.js
+++ b/src/store/PosStore/syncInBackground.js
@@ -78,6 +78,7 @@ export async function itemSync(itemObject, store) {
   let itemObjectResult = await store.itemStore.find(itemObject.syncObject.id);
   let categoryId = "";
 
+
   if (itemObject.syncObject.category !== "") {
     let categoryIds = await store.categoryStore.searchLengthName(
       itemObject.syncObject.category,
@@ -107,9 +108,10 @@ export async function itemSync(itemObject, store) {
           : 0,
       sku: itemObject.syncObject.sku !== null ? itemObject.syncObject.sku : "",
       barcode:
-        itemObject.syncObject.barcode !== null
-          ? itemObject.syncObject.barcode
-          : "",
+        itemObject.syncObject.barcode === null ||
+        itemObject.syncObject.barcode === undefined
+          ? ""
+          : itemObject.syncObject.barcode,
       colorAndShape: JSON.stringify([
         {
           color:
@@ -132,7 +134,8 @@ export async function itemSync(itemObject, store) {
         itemObject.syncObject.favorite !== null
           ? itemObject.syncObject.favorite
           : "",
-      category: categoryId,
+      category:
+        categoryId === null || categoryId === undefined ? "" : categoryId,
       taxes: "[]",
       dateUpdated: Date.now(),
       syncStatus: true,
@@ -300,8 +303,8 @@ export async function attendantSync(attendantObject, store) {
   let attendantObjectResult = await store.attendantStore.find(
     attendantObject.syncObject.id,
   );
-
   if (attendantObjectResult) {
+
     attendantObjectResult.edit({
       _id: attendantObject.syncObject.id,
       user_name: