diff --git a/Jenkinsfile b/Jenkinsfile
index d700ce1f9..bfe31fc60 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -71,6 +71,7 @@ pipeline {
                 stage('Back') {
                     steps {
                         sh 'pnpm install --prefer-offline'
+                        sh 'node node_modules/puppeteer/install.mjs'
                     }
                 }
                 stage('Print') {
diff --git a/front/salix/components/change-password/index.js b/front/salix/components/change-password/index.js
index 7e30bf54e..93241b781 100644
--- a/front/salix/components/change-password/index.js
+++ b/front/salix/components/change-password/index.js
@@ -1,5 +1,5 @@
 import ngModule from '../../module';
-const UserError = require('vn-loopback/util/user-error');
+import UserError from 'core/lib/user-error';
 
 export default class Controller {
     constructor($scope, $element, $http, vnApp, $translate, $state, $location) {
diff --git a/front/salix/components/reset-password/index.js b/front/salix/components/reset-password/index.js
index c0a10cc52..b49eab841 100644
--- a/front/salix/components/reset-password/index.js
+++ b/front/salix/components/reset-password/index.js
@@ -1,5 +1,5 @@
 import ngModule from '../../module';
-const UserError = require('vn-loopback/util/user-error');
+import UserError from 'core/lib/user-error';
 
 export default class Controller {
     constructor($scope, $element, $http, vnApp, $translate, $state, $location) {
diff --git a/modules/ticket/front/main/index.js b/modules/ticket/front/main/index.js
index c49418cfc..64bb7e191 100644
--- a/modules/ticket/front/main/index.js
+++ b/modules/ticket/front/main/index.js
@@ -1,6 +1,6 @@
 import ngModule from '../module';
 import ModuleMain from 'salix/components/module-main';
-const UserError = require('vn-loopback/util/user-error');
+import UserError from 'core/lib/user-error';
 
 export default class Ticket extends ModuleMain {
     fetchParams($params) {
diff --git a/modules/worker/front/descriptor/index.js b/modules/worker/front/descriptor/index.js
index d7962369c..75265acb4 100644
--- a/modules/worker/front/descriptor/index.js
+++ b/modules/worker/front/descriptor/index.js
@@ -1,6 +1,6 @@
 import ngModule from '../module';
 import Descriptor from 'salix/components/descriptor';
-const UserError = require('vn-loopback/util/user-error');
+import UserError from 'core/lib/user-error';
 class Controller extends Descriptor {
     constructor($element, $, $rootScope) {
         super($element, $);