diff --git a/front/core/components/snackbar/snackbar.js b/front/core/components/snackbar/snackbar.js
index 7f4583188..b380c47c3 100644
--- a/front/core/components/snackbar/snackbar.js
+++ b/front/core/components/snackbar/snackbar.js
@@ -27,7 +27,7 @@ export default class Controller extends Component {
         setTimeout(() => element.classList.add('shown'), 30);
         shape.element = element;
 
-        if (data.additionalData) {
+        if (data.additionalData && this.vnToken.token) {
             this.additionalData = data.additionalData;
             let supportButton = document.createElement('i');
             supportButton.setAttribute('class', 'material-icons clickable');
diff --git a/front/core/components/support-dialog/index.js b/front/core/components/support-dialog/index.js
index eaaab047f..d15c14b4a 100644
--- a/front/core/components/support-dialog/index.js
+++ b/front/core/components/support-dialog/index.js
@@ -7,12 +7,15 @@ export default class Controller extends Dialog {
     }
 
     responseHandler(response) {
+        if (response !== 'accept')
+            return super.responseHandler(response);
+
         this.$http.post('Ostickets/send-to-support', {
             reason: this.reason,
             additionalData: this.additionalData
         })
-        .then(() => super.responseHandler(response))
-        .then(() => this.vnApp.showSuccess(this.$t('Email sended!')));
+            .then(() => super.responseHandler(response))
+            .then(() => this.vnApp.showSuccess(this.$t('Email sended!')));
     }
 }
 
diff --git a/modules/ticket/back/methods/ticket/priceDifference.js b/modules/ticket/back/methods/ticket/priceDifference.js
index 495e9e1aa..7dc85bd3d 100644
--- a/modules/ticket/back/methods/ticket/priceDifference.js
+++ b/modules/ticket/back/methods/ticket/priceDifference.js
@@ -1,3 +1,5 @@
+const UserError = require('vn-loopback/util/user-error');
+
 module.exports = Self => {
     Self.remoteMethodCtx('priceDifference', {
         description: 'Returns sales with price difference if the ticket is editable',