diff --git a/db/dump/fixtures.sql b/db/dump/fixtures.sql
index ac7900f708..482218ed24 100644
--- a/db/dump/fixtures.sql
+++ b/db/dump/fixtures.sql
@@ -2732,3 +2732,7 @@ UPDATE `account`.`user`
 INSERT INTO `vn`.`osTicketConfig` (`id`, `host`, `user`, `password`, `oldStatus`, `newStatusId`, `day`, `comment`, `hostDb`, `userDb`, `passwordDb`, `portDb`, `responseType`, `fromEmailId`, `replyTo`)
     VALUES
         (0, 'http://localhost:56596/scp', 'ostadmin', 'Admin1', 'open', 3, 60, 'Este CAU se ha cerrado automáticamente. Si el problema persiste responda a este mensaje.', 'localhost', 'osticket', 'osticket', 40003, 'reply', 1, 'all');
+
+INSERT INTO `vn`.`ticketLog` (`id`, `originFk`, `userFk`, `action`, `changedModel`, `oldInstance`, `newInstance`, `changedModelId`)
+    VALUES
+        (1, 1, 9, 'insert', 'Ticket', '{}', '{"clientFk":1, "nickname": "Bat cave"}', 1);
\ No newline at end of file
diff --git a/db/dump/structure.sql b/db/dump/structure.sql
index 9f2370832b..6d85d0511f 100644
--- a/db/dump/structure.sql
+++ b/db/dump/structure.sql
@@ -19,6 +19,7 @@
 -- Current Database: `account`
 --
 
+
 CREATE DATABASE /*!32312 IF NOT EXISTS*/ `account` /*!40100 DEFAULT CHARACTER SET utf8mb3 */;
 
 USE `account`;
diff --git a/front/salix/components/log/index.js b/front/salix/components/log/index.js
index c5a4febcc8..2796931a07 100644
--- a/front/salix/components/log/index.js
+++ b/front/salix/components/log/index.js
@@ -33,16 +33,18 @@ export default class Controller extends Section {
 
     set logs(value) {
         this._logs = value;
+        if (!value) return;
 
-        if (this.logs) {
-            this.logs.forEach(log => {
-                log.oldProperties = this.getInstance(log.oldInstance);
-                log.newProperties = this.getInstance(log.newInstance);
-            });
-        }
+        const validations = window.validations;
+        value.forEach(log => {
+            const locale = validations[log.changedModel].locale ? validations[log.changedModel].locale : {};
+
+            log.oldProperties = this.getInstance(log.oldInstance, locale);
+            log.newProperties = this.getInstance(log.newInstance, locale);
+        });
     }
 
-    getInstance(instance) {
+    getInstance(instance, locale) {
         const properties = [];
         let validDate = /^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(.[0-9]+)?(Z)?$/;
 
@@ -51,7 +53,8 @@ export default class Controller extends Section {
                 if (validDate.test(instance[property]))
                     instance[property] = new Date(instance[property]).toLocaleString('es-ES');
 
-                properties.push({key: property, value: instance[property]});
+                const key = locale[property] || property;
+                properties.push({key, value: instance[property]});
             });
             return properties;
         }
diff --git a/loopback/common/methods/schema/model-info.js b/loopback/common/methods/schema/model-info.js
index a95b60627a..6a4db033d5 100644
--- a/loopback/common/methods/schema/model-info.js
+++ b/loopback/common/methods/schema/model-info.js
@@ -1,3 +1,5 @@
+const path = require('path');
+const fs = require('fs');
 
 module.exports = Self => {
     Self.remoteMethod('modelInfo', {
@@ -19,6 +21,42 @@ module.exports = Self => {
         }
     });
 
+    const modelsLocale = new Map();
+    const modulesDir = path.resolve(`${__dirname}/../../../../modules`);
+    const modules = fs.readdirSync(modulesDir);
+
+    for (const mod of modules) {
+        const modelsDir = path.join(modulesDir, mod, `back/locale`);
+        if (!fs.existsSync(modelsDir)) continue;
+        const models = fs.readdirSync(modelsDir);
+
+        for (const model of models) {
+            const localeDir = path.join(modelsDir, model);
+            const localeFiles = fs.readdirSync(localeDir);
+
+            let modelName = model.charAt(0).toUpperCase() + model.substring(1);
+            modelName = modelName.replace(/-\w/g, match => {
+                return match.charAt(1).toUpperCase();
+            });
+
+            const modelLocale = new Map();
+            modelsLocale.set(modelName, modelLocale);
+
+            for (const localeFile of localeFiles) {
+                const localePath = path.join(localeDir, localeFile);
+
+                const match = localeFile.match(/^([a-z]+)\.yml$/);
+                if (!match) {
+                    console.warn(`Skipping wrong model locale file: ${localeFile}`);
+                    continue;
+                }
+
+                const translations = require(localePath);
+                modelLocale.set(match[1], translations);
+            }
+        }
+    }
+
     Self.modelInfo = async function(ctx) {
         let json = {};
         let models = Self.app.models;
@@ -49,9 +87,14 @@ module.exports = Self => {
                 jsonValidations[fieldName] = jsonField;
             }
 
+            const modelLocale = modelsLocale.get(modelName);
+            const lang = ctx.req.getLocale();
+            const locale = modelLocale && modelLocale.get(lang);
+
             json[modelName] = {
                 properties: model.definition.rawProperties,
-                validations: jsonValidations
+                validations: jsonValidations,
+                locale
             };
         }
 
diff --git a/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js b/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js
index ededc5679b..02f982011c 100644
--- a/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js
+++ b/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js
@@ -64,7 +64,7 @@ describe('InvoiceOut filter()', () => {
             const invoiceOut = await models.InvoiceOut.findById(1, null, options);
             await invoiceOut.updateAttribute('hasPdf', true, options);
 
-            const result = await models.InvoiceOut.filter(ctx, {}, options);
+            const result = await models.InvoiceOut.filter(ctx, {id: invoiceOut.id}, options);
 
             expect(result.length).toEqual(1);
 
diff --git a/modules/ticket/back/locale/sale/en.yml b/modules/ticket/back/locale/sale/en.yml
new file mode 100644
index 0000000000..ae8f67d5ef
--- /dev/null
+++ b/modules/ticket/back/locale/sale/en.yml
@@ -0,0 +1,11 @@
+concept: concept
+quantity: quantity
+price: price
+discount: discount
+reserved: reserved
+isPicked: is picked
+created: created
+originalQuantity: original quantity
+itemFk: item
+ticketFk: ticket
+saleFk: sale
diff --git a/modules/ticket/back/locale/sale/es.yml b/modules/ticket/back/locale/sale/es.yml
new file mode 100644
index 0000000000..ff8cc54669
--- /dev/null
+++ b/modules/ticket/back/locale/sale/es.yml
@@ -0,0 +1,11 @@
+concept: concepto
+quantity: cantidad
+price: precio
+discount: descuento
+reserved: reservado
+isPicked: esta seleccionado
+created: creado
+originalQuantity: cantidad original
+itemFk: artículo
+ticketFk: ticket
+saleFk: línea
diff --git a/modules/ticket/back/locale/ticket/en.yml b/modules/ticket/back/locale/ticket/en.yml
new file mode 100644
index 0000000000..4e97f5d8cb
--- /dev/null
+++ b/modules/ticket/back/locale/ticket/en.yml
@@ -0,0 +1,22 @@
+shipped: shipped
+landed: landed
+nickname: nickname
+location: location
+solution: solution
+packages: packages
+updated: updated
+isDeleted: is deleted
+priority: priority
+zoneFk: zone
+zonePrice: zone price
+zoneBonus: zone bonus
+totalWithVat: total with vat
+totalWithoutVat: total without vat
+clientFk: client
+warehouseFk: warehouse
+refFk: reference
+addressFk: address
+routeFk: route
+companyFk: company
+agencyModeFk: agency
+ticketFk: ticket
diff --git a/modules/ticket/back/locale/ticket/es.yml b/modules/ticket/back/locale/ticket/es.yml
new file mode 100644
index 0000000000..a570f1f118
--- /dev/null
+++ b/modules/ticket/back/locale/ticket/es.yml
@@ -0,0 +1,22 @@
+shipped: fecha salida
+landed: fecha entrega
+nickname: alias
+location: ubicación
+solution: solución
+packages: embalajes
+updated: fecha última actualización
+isDeleted: esta eliminado
+priority: prioridad
+zoneFk: zona
+zonePrice: precio zona
+zoneBonus: bonus zona
+totalWithVat: total con IVA
+totalWithoutVat: total sin IVA
+clientFk: cliente
+warehouseFk: almacén
+refFk: referencia
+addressFk: dirección
+routeFk: ruta
+companyFk: empresa
+agencyModeFk: agencia
+ticketFk: ticket