diff --git a/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2View.java b/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2View.java
index e1111263..0aa33da3 100644
--- a/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2View.java
+++ b/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2View.java
@@ -256,14 +256,19 @@ public class DialogInputQuantityV2View extends BaseDialogFragment implements Dia
     };
 
     public void save() {
+        this.onLoadingStarted();
+
         this.mViewModel.validate(validated -> {
-            if (validated) {
-                this.mAbort = false;
-                dismiss();
-                this.mOnComplete.run(this.mViewModel.getResult(), false);
-            }else {
+
+            requireActivity().runOnUiThread(() -> {
                 this.onLoadingEnded();
-            }
+
+                if (validated) {
+                    this.mAbort = false;
+                    dismiss();
+                    this.mOnComplete.run(this.mViewModel.getResult(), false);
+                }
+            });
         });
     }
 
@@ -273,7 +278,7 @@ public class DialogInputQuantityV2View extends BaseDialogFragment implements Dia
                 this.mAbort = false;
                 dismiss();
                 this.mOnComplete.run(this.mViewModel.getResult(), true);
-            }else {
+            } else {
                 this.onLoadingEnded();
             }
         });
@@ -527,13 +532,6 @@ public class DialogInputQuantityV2View extends BaseDialogFragment implements Dia
         this.mEnableDataCallback = true;
     }
 
-    @Override
-    public void onError(Exception ex) {
-        DialogSimpleMessageView
-                .makeErrorDialog(new SpannableString(Html.fromHtml(ex.getMessage())), null, null)
-                .show(requireActivity().getSupportFragmentManager(), "tag");
-    }
-
     @Override
     public void onWarning(String text, RunnableArgs<Boolean> result) {
         DialogSimpleMessageView.makeWarningDialog(new SpannableString(Html.fromHtml(text)),
diff --git a/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2ViewModel.java b/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2ViewModel.java
index 95bfd39e..39f78cb1 100644
--- a/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2ViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/view/dialogs/input_quantity_v2/DialogInputQuantityV2ViewModel.java
@@ -99,7 +99,6 @@ public class DialogInputQuantityV2ViewModel {
     private final MagazzinoRESTConsumer mMagazzinoRESTConsumer;
 
     private StatoPartitaMag statoArt;
-    private MtbPartitaMag mtbPartitaMag;
 
     @Inject
     public DialogInputQuantityV2ViewModel(BarcodeRESTConsumer barcodeRESTConsumer, MagazzinoRESTConsumer magazzinoRESTConsumer) {
@@ -488,7 +487,7 @@ public class DialogInputQuantityV2ViewModel {
         new Thread(() -> {
             if (this.internalQtaCnf == null || UtilityBigDecimal.equalsTo(this.internalQtaCnf, BigDecimal.ZERO)) {
 
-                this.mListener.onError(new InvalidQtaCnfQuantityException());
+                this.sendError(new InvalidQtaCnfQuantityException());
                 onValidated.run(false);
                 return;
             }
@@ -497,33 +496,33 @@ public class DialogInputQuantityV2ViewModel {
                 if (suggestPartitaMagRunnable != null) {
                     internalPartitaMag = suggestPartitaMagRunnable.run(this);
                     if (internalPartitaMag == null) {
-                        this.mListener.onError(new InvalidBatchLotException());
+                        this.sendError(new InvalidBatchLotException());
                         onValidated.run(false);
                         return;
                     }
                 } else {
-                    this.mListener.onError(new InvalidBatchLotException());
+                    this.sendError(new InvalidBatchLotException());
                     onValidated.run(false);
                     return;
                 }
             }
 
             if (this.statoArt == StatoPartitaMag.DISATTIVO) {
-                this.mListener.onError(new InactiveBatchLotException(internalPartitaMag));
+                this.sendError(new InactiveBatchLotException(internalPartitaMag));
                 onValidated.run(false);
                 return;
             }
 
             if (this.shouldAskDataScad && UtilityString.isNullOrEmpty(internalPartitaMag)) {
 
-                this.mListener.onError(new InvalidBatchLotException());
+                this.sendError(new InvalidBatchLotException());
                 onValidated.run(false);
                 return;
             }
 
             if (this.shouldAskDataScad && this.internalDataScad == null) {
 
-                this.mListener.onError(new InvalidExpireDateException());
+                this.sendError(new InvalidExpireDateException());
                 onValidated.run(false);
                 return;
             }
@@ -531,7 +530,7 @@ public class DialogInputQuantityV2ViewModel {
             if (!this.canOverflowOrderQuantity && UtilityBigDecimal.greaterThan(this.internalQtaTot, this.totalQtaOrd) &&
                     this.mtbAart.get().isFlagQtaCnfFissaBoolean()) {
 
-                this.mListener.onError(new OverflowQtaTotOrderedQuantityException());
+                this.sendError(new OverflowQtaTotOrderedQuantityException());
                 onValidated.run(false);
                 return;
             }
@@ -539,14 +538,14 @@ public class DialogInputQuantityV2ViewModel {
             if (!this.canOverflowOrderQuantity && UtilityBigDecimal.greaterThan(this.internalNumCnf, this.totalNumCnfOrd) &&
                     !this.mtbAart.get().isFlagQtaCnfFissaBoolean()) {
 
-                this.mListener.onError(new OverflowNumCnfOrderedQuantityException());
+                this.sendError(new OverflowNumCnfOrderedQuantityException());
                 onValidated.run(false);
                 return;
             }
 
             if (UtilityBigDecimal.greaterThan(this.internalQtaTot, this.totalQtaAvailable)) {
 
-                this.mListener.onError(new OverflowQtaTotAvailableQuantityException());
+                this.sendError(new OverflowQtaTotAvailableQuantityException());
                 onValidated.run(false);
                 return;
             }
@@ -554,7 +553,7 @@ public class DialogInputQuantityV2ViewModel {
             if (UtilityBigDecimal.greaterThan(this.internalNumCnf, this.totalNumCnfAvailable) &&
                     !this.mtbAart.get().isFlagQtaCnfFissaBoolean()) {
 
-                this.mListener.onError(new OverflowNumCnfAvailableQuantityException());
+                this.sendError(new OverflowNumCnfAvailableQuantityException());
                 onValidated.run(false);
                 return;
             }
@@ -564,13 +563,13 @@ public class DialogInputQuantityV2ViewModel {
                     UtilityBigDecimal.equalsOrLowerThan(this.internalQtaCnf, BigDecimal.ZERO) ||
                     UtilityBigDecimal.equalsOrLowerThan(this.internalQtaTot, BigDecimal.ZERO))) {
 
-                this.mListener.onError(new InvalidQuantityException());
+                this.sendError(new InvalidQuantityException());
                 onValidated.run(false);
                 return;
             }
 
             if (this.isNoteMandatory() && (this.internalNote == null || this.internalNote.length() <= 0)) {
-                this.mListener.onError(new InvalidNotesException());
+                this.sendError(new InvalidNotesException());
                 onValidated.run(false);
                 return;
             }
@@ -579,10 +578,17 @@ public class DialogInputQuantityV2ViewModel {
                 this.internalPartitaMag = this.internalPartitaMag.toUpperCase();
 
             if (SettingsManager.iDB().isFlagWarningNewPartitaMag()) {
-                asyncMagazzinoRESTConsumer(internalPartitaMag, this.getMtbAart().getCodMart());
+                MtbPartitaMag mtbPartitaMag = null;
+                try {
+                    mtbPartitaMag = retrievePartitaMag(internalPartitaMag, this.getMtbAart().getCodMart());
+                } catch (Exception e) {
+                    this.sendError(e);
+                    onValidated.run(false);
+                    return;
+                }
 
                 if (mtbPartitaMag == null) {
-                    boolean result = runAsyncWarningDialog(UtilityResources.getString(R.string.batch_lot_inexistent_error_message));
+                    boolean result = runWarningDialogSyncronized(UtilityResources.getString(R.string.batch_lot_inexistent_error_message));
                     if (!result) {
                         onValidated.run(false);
                         return;
@@ -593,7 +599,7 @@ public class DialogInputQuantityV2ViewModel {
             if (this.warnOnQuantityOverflow && UtilityBigDecimal.greaterThan(this.internalQtaTot, this.totalQtaOrd) &&
                     this.mtbAart.get().isFlagQtaCnfFissaBoolean()) {
 
-                boolean result = runAsyncWarningDialog(UtilityResources.getString(R.string.confirm_ordered_quantity_overflow_error_message));
+                boolean result = runWarningDialogSyncronized(UtilityResources.getString(R.string.confirm_ordered_quantity_overflow_error_message));
                 if (!result) {
                     onValidated.run(false);
                     return;
@@ -603,7 +609,7 @@ public class DialogInputQuantityV2ViewModel {
             if (this.warnOnQuantityOverflow && UtilityBigDecimal.greaterThan(this.internalNumCnf, this.totalNumCnfOrd) &&
                     !this.mtbAart.get().isFlagQtaCnfFissaBoolean()) {
 
-                boolean result = runAsyncWarningDialog(UtilityResources.getString(R.string.confirm_ordered_num_cnf_overflow_error_message));
+                boolean result = runWarningDialogSyncronized(UtilityResources.getString(R.string.confirm_ordered_num_cnf_overflow_error_message));
                 if (!result) {
                     onValidated.run(false);
                     return;
@@ -614,7 +620,7 @@ public class DialogInputQuantityV2ViewModel {
         }).start();
     }
 
-    private boolean runAsyncWarningDialog(String text) {
+    private boolean runWarningDialogSyncronized(String text) {
         try {
             final FutureTask<Object> ft = new FutureTask<>(() -> {
             }, new Object());
@@ -632,26 +638,9 @@ public class DialogInputQuantityV2ViewModel {
         }
     }
 
-    private void asyncMagazzinoRESTConsumer(String partitaMag, String codMart) {
-        try {
-            final FutureTask<Object> ft = new FutureTask<>(() -> {
-            }, new Object());
-            mMagazzinoRESTConsumer.retrievePartitaMag(
-                    partitaMag,
-                    codMart,
-                    returnPartitaMag -> {
-                        mtbPartitaMag = returnPartitaMag;
-                        ft.run();
-                    },
-                    e -> {
-                        this.sendError(e);
-                        ft.run();
-                    });
+    private MtbPartitaMag retrievePartitaMag(String partitaMag, String codMart) throws Exception {
+        return mMagazzinoRESTConsumer.retrievePartitaMagSyncronized(partitaMag, codMart, this::sendError);
 
-            ft.get();
-        } catch (Exception e) {
-            this.sendError(e);
-        }
     }
 
     public DialogInputQuantityV2ResultDTO getResult() {