diff --git a/app/src/main/java/it/integry/integrywmsnative/core/rest/consumers/_BaseRESTConsumer.java b/app/src/main/java/it/integry/integrywmsnative/core/rest/consumers/_BaseRESTConsumer.java
index 6470ad0f..73ebad1b 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/rest/consumers/_BaseRESTConsumer.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/rest/consumers/_BaseRESTConsumer.java
@@ -13,7 +13,7 @@ import it.integry.integrywmsnative.core.expansion.RunnableArgs;
 import it.integry.integrywmsnative.core.utility.UtilityString;
 import retrofit2.Response;
 
-public class _BaseRESTConsumer {
+public abstract class _BaseRESTConsumer {
 
     public static <T> void analyzeAnswer(Response<ServiceRESTResponse<T>> response, String logTitle, RunnableArgs<T> onComplete, RunnableArgs<Exception> onFailed) {
         if (response.isSuccessful()) {
diff --git a/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityBarcode.java b/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityBarcode.java
index 484534f4..fa6558ac 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityBarcode.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/utility/UtilityBarcode.java
@@ -84,7 +84,7 @@ public class UtilityBarcode {
         if (!UtilityString.isNullOrEmpty(barcode)) {
             barcode = barcode.trim();
             try {
-                return Integer.parseInt(barcode.substring(3));
+                return Integer.parseInt(barcode.substring(3, 10));
             } catch (NumberFormatException nfex) {
                 throw new Exception("Impossibile leggere il numero collo dal barcode: " + barcode);
             }