diff --git a/backend/controllers/api/UsersController.js b/backend/controllers/api/UsersController.js
index db370c0..904587c 100644
--- a/backend/controllers/api/UsersController.js
+++ b/backend/controllers/api/UsersController.js
@@ -69,12 +69,7 @@ class UsersController {
                 await user.update(req, req.body);
                 res.json({ status: 'OK' });
             } catch (err) {
-                if (err.message == 'unauthorized') {
-                    res.status(401).json({ status: 'error', message: 'Unauthorized' })
-                } else {
-                    console.error(err);
-                    res.status(500).json({ status: 'error' })
-                }
+                res.json({ status: 'error', message: err.message});
             }
         })
 
diff --git a/src/App.vue b/src/App.vue
index 3c4f417..dee4ddf 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,6 +1,12 @@
 <template>
   <v-app>
     <router-view :key="$route.fullPath" />
+    <v-snackbar v-model="store.snackbar.show" :color="store.snackbar.color" :timeout="store.snackbar.timeout">
+      {{ store.snackbar.text }}
+      <template v-slot:actions>
+        <v-btn variant="text" @click="store.snackbar.show = false"> Close </v-btn>
+      </template>
+    </v-snackbar>
   </v-app>
 </template>
 
diff --git a/src/components/AppHeader.vue b/src/components/AppHeader.vue
index 72400e0..00d3213 100644
--- a/src/components/AppHeader.vue
+++ b/src/components/AppHeader.vue
@@ -1,16 +1,20 @@
 <template>
     <v-app-bar color="blue" scroll-behavior="elevate" scroll-threshold="20">
         <!-- <v-app-bar-nav-icon variant="text" @click.stop="drawer = !drawer"></v-app-bar-nav-icon> -->
-        <v-app-bar-title>ProNature Playground</v-app-bar-title>
-        <v-btn to="/manage" icon="mdi-wrench-cog-outline" v-if="roles.editor"></v-btn>
-        <v-dialog max-width="400">
+        <v-app-bar-title>{{ l.playground }}</v-app-bar-title>
+        <v-btn to="/manage" icon="mdi-wrench-cog-outline" v-if="roles.editor" v-tooltip="l.workshop"></v-btn>
+        <v-dialog max-width="480">
             <template v-slot:activator="{ props }">
                 <v-btn icon="mdi-account" variant="text" v-bind="props"></v-btn>
             </template>
-            <v-card class="pa-3" :title="user? 'Profile' : 'Sign in' ">
-                <Auth v-if="!user"></Auth>
-                <Profile v-else></Profile> 
-            </v-card>
+            <template v-slot:default="{ isActive }">
+                <v-card class="pa-3" :title="user? l.profile : l.signin ">
+                    <v-card-text>
+                        <Profile v-if="user"></Profile>
+                        <Auth v-show="!user" @login-success="isActive.value = false"></Auth>
+                    </v-card-text>
+                </v-card>
+            </template>
         </v-dialog >
     </v-app-bar>
 </template>
diff --git a/src/components/ConsoleHeader.vue b/src/components/ConsoleHeader.vue
index bfe8bd4..f015095 100644
--- a/src/components/ConsoleHeader.vue
+++ b/src/components/ConsoleHeader.vue
@@ -1,8 +1,8 @@
 <template>
     <v-app-bar color="primary" scroll-behavior="elevate" scroll-threshold="20">
         <!-- <v-app-bar-nav-icon variant="text" @click.stop="drawer = !drawer"></v-app-bar-nav-icon> -->
-        <v-app-bar-title>ProNature Games Workshop</v-app-bar-title>
-        <v-btn to="/" icon="mdi-seesaw" v-tooltip="'To playground'"></v-btn>
+        <v-app-bar-title>{{ l.workshop }}</v-app-bar-title>
+        <v-btn to="/" icon="mdi-seesaw" v-tooltip="l.playground"></v-btn>
         <v-menu>
             <template v-slot:activator="{ props }">
                 <v-btn icon="mdi-plus" variant="text" v-bind="props"></v-btn>
diff --git a/src/components/User/Auth.vue b/src/components/User/Auth.vue
index 1e43efc..bf2ad81 100644
--- a/src/components/User/Auth.vue
+++ b/src/components/User/Auth.vue
@@ -1,14 +1,14 @@
 <template>
     <v-form>
-        <v-text-field label="Email" v-model="form.email" type="email" required></v-text-field>
-        <v-text-field label="Password" v-model="form.password" type="password" required></v-text-field>
+        <v-text-field :label="l.email" v-model="form.email" type="email" required></v-text-field>
+        <v-text-field :label="l.password" v-model="form.password" type="password" required></v-text-field>
         <template v-if="mode==='register'">
-            <v-text-field label="Confirm Password" v-model="form.passConfirm" type="password" required></v-text-field>
+            <v-text-field :label="l.passwordRetype" v-model="form.passConfirm" type="password" required></v-text-field>
             <v-img :src="`/api/user/captcha?${captchaIter}`" class="my-2" height="100px"></v-img>
-            <v-text-field label="Enter Captcha" v-model="form.captcha" required></v-text-field>
+            <v-text-field :label="l.confirmCaptcha" v-model="form.captcha" required></v-text-field>
         </template>
-        <v-btn @click="login" :color="mode==='login' ? 'green' : 'grey'">Sign in</v-btn>
-        <v-btn @click="register" :color="mode==='register' ? 'green' : 'grey'" class="float-right">Sign up</v-btn>
+        <v-btn @click="login" :color="mode==='login' ? 'green' : 'grey'">{{l.signin}}</v-btn>
+        <v-btn @click="register" :color="mode==='register' ? 'green' : 'grey'" class="float-right">{{l.signup}}</v-btn>
     </v-form>
 </template>
 
@@ -30,8 +30,13 @@ export default {
             // Implement login logic here
             if (this.mode == 'login') {
                 // Perform login
-                await this.$api.user.signin(this.form);
-                await this.loadUser();
+                let response = await this.$api.user.signin(this.form);
+                if(response.data?.status === 'OK') {
+                    await this.loadUser();
+                    this.$emit('login-success');
+                } else {
+                    this.toast(this.getErrorText(response.data), 'red');
+                }
             } else {
                 this.mode = 'login';
             }
@@ -39,8 +44,13 @@ export default {
         async register() {
             if (this.mode == 'register') {
                 // Implement registration logic here
-                await this.$api.user.signup(this.form);
-                await this.loadUser();
+                let response = await this.$api.user.signup(this.form);
+                if(response.data?.status === 'OK') {
+                    this.toast(this.l.signupSuccess, 'green');
+                    await this.loadUser();
+                } else {
+                    this.toast(this.getErrorText(response.data), 'red');
+                }
             } else {
                 this.mode = 'register';
             }
diff --git a/src/components/User/Profile.vue b/src/components/User/Profile.vue
index 73fb2b1..13b1e9d 100644
--- a/src/components/User/Profile.vue
+++ b/src/components/User/Profile.vue
@@ -1,14 +1,15 @@
 <template>
     <v-form>
-        <v-text-field label="Email" disabled v-model="user.email" type="email" required></v-text-field>
-        <v-text-field label="Change Password" v-model="form.password" type="password" required></v-text-field>
-        <v-text-field label="Confirm Password" v-model="form.passConfirm" type="password" required></v-text-field>
-        <v-btn @click="update" color="green">Update Profile</v-btn>
-        <v-btn @click="signout" color="grey" class="float-right">Sign out</v-btn>
+        <v-text-field :label="l.email" disabled v-model="user.email" type="email" required></v-text-field>
+        <v-text-field :label="l.passwordChange" v-model="form.password" type="password" required></v-text-field>
+        <v-text-field :label="l.passwordRetype" v-model="form.passConfirm" type="password" required></v-text-field>
+        <v-btn @click="update" color="green">{{ l.update }}</v-btn>
+        <v-btn @click="signout" color="grey" class="float-right">{{ l.signout }}</v-btn>
     </v-form>
 </template>
 
 <script>
+
 export default {
     data() {
         return {
@@ -24,7 +25,12 @@ export default {
             await this.loadUser();
         },
         async update() {
-            await this.$api.user.update({...this.form, _id: this.user._id});
+            let response = await this.$api.user.update({...this.form, _id: this.user._id});
+            if(response.data.status === 'OK') {
+                this.toast('Profile updated successfully', 'green');
+            } else {
+                this.toast(this.getErrorText(response.data), 'red');
+            }
         }
     }
 }
diff --git a/src/mixins/GlobalMixin.js b/src/mixins/GlobalMixin.js
index 3a32532..f3b54cb 100644
--- a/src/mixins/GlobalMixin.js
+++ b/src/mixins/GlobalMixin.js
@@ -3,7 +3,7 @@ import { useAppStore } from '@/stores/app';
 export default {
     data(){
         return {
-            store: null
+            store: null,
         }
     },
     created(){
@@ -32,5 +32,25 @@ export default {
             this.user = response.data.user;
             return this.user;
         },
+        getErrorText(error){
+            let msg = error?.response?.data?.error || error?.message;
+            if (msg){
+                if (typeof msg == 'object'){
+                    return JSON.stringify(msg);
+                }else if (this.l.errors[msg]) {
+                    return this.l.errors[msg]
+                }else {
+                    return msg;
+                }
+            }else{
+                return error;
+            }
+        },
+        toast(text, color, timeout=3000){
+            this.store.snackbar.text = text;
+            this.store.snackbar.color = color;
+            this.store.snackbar.timeout = timeout;
+            this.store.snackbar.show = true;
+        }
     }
 }
\ No newline at end of file
diff --git a/src/plugins/lang.js b/src/plugins/lang.js
index ace008f..3a16416 100644
--- a/src/plugins/lang.js
+++ b/src/plugins/lang.js
@@ -1,6 +1,8 @@
 const lang = {
     en: {
         _code: 'en',
+        playground: 'ProNature Playground',
+        workshop: 'ProNature Workshop',
         createGameObject: 'Add game object',
         editGameObject: 'Edit game object',
         createGame: 'Add game',
@@ -38,10 +40,61 @@ const lang = {
         editScenario: 'Edit scenario',
         editScenes: 'Edit scenes',
         addScene: 'Add scene',
-        addTask: 'Add task'
+        addTask: 'Add task',
+        date: 'Date modified',
+        update: 'Update',
+        signin: 'Sign in',
+        signup: 'Sign up',
+        signupSuccess: 'Successful sign-up',
+        profile: 'Profile',
+        'reset-password': 'Reset password',
+        'change-password': 'Change password',
+        signout: 'Sign out',
+        faq: 'Help',
+        email:'E-mail',
+        passwordChange: 'Change password',
+        password:'Password',
+        passwordRetype: 'Password (confirm)',
+        passwordCurrent: 'Your current password',
+        passwordForgotten: 'Forgotten password',
+        recoveryMailSent: 'Password reset mail was sent. Please check your e-mail.',
+        confirmCaptcha: 'Enter the text you see',
+        'validate-email': 'E-mail validation',
+        emailValidated: 'Your e-mail address was successfully validated.',
+        validationMailContent: v1 => `Activation link: <a href="${v1}">${v1}</a>`,
+        validationMailSent: 'Activation link was sent.',
+        forgottenPassMailContent: v1 => `Recover your account by following this link: <a href="${v1}">${v1}</a>`,
+        emailNotValidated: 'This email is not validated',
+        resendValidationMail: 'Resend verification e-mail',
+        displayName:'Display Name',
+        firstName:'First Name',
+        lastName:'Last Name',
+        errors:{
+            unauthorized: 'Unauthorized',
+            notFound: 'Object not found',
+            noReadPermissions: 'You don\'t have access to this content',
+            noEditPermissions:'Missing edit permissions',
+            noCreatePermissions:'Missing create permissions',
+            noDeletePermissions:'Missing delete permissions',
+            noPermissions: 'No permissions',
+            ftsUnavailable: 'Full text search service is not available',
+            systemReadOnly: 'Request rejected. The system is in read-only mode.',
+            invalidEmail: 'Invalid email',
+            emailExists: 'This email is already registered',
+            invalidPassword: 'Invalid password',
+            invalidUsername: 'Invalid username',
+            passwordMismatch: 'Password mismatch',
+            invalidCaptcha: 'Invalid captcha',
+            invalidValidationLink: 'Invalid/inactive validation link',
+            activationLinkExpired: 'Activation link has expired',
+            invalidActivationLink: 'Invalid activation link',
+            objectUpdateCollision: 'Save failed. Object was altered by another user. Please refresh the page.'
+        },
     },
     bg: {
         _code: 'bg',
+        playground: 'ProNature игрище',
+        workshop: 'ProNature работилница',
         createGameObject: 'Добавяне на игрови обект',
         editGameObject: 'Редактиране на игрови обект',
         createGame: 'Добавяне на игра',
@@ -79,7 +132,56 @@ const lang = {
         editScenario: 'Редактиране на сценарий',
         editScenes: 'Редактиране на сцени',
         addScene: 'Добавяне на сцена',
-        addTask: 'Добавяне на задача'
+        addTask: 'Добавяне на задача',
+        date: 'Промяна',
+        update: 'Обнови',
+        signin: 'Вход',
+        signup: 'Регистрация',
+        signupSuccess: 'Успешна регистрация',
+        profile: 'Профил',
+        'reset-password': 'Възстановяване на парола',
+        'change-password': 'Промяна на парола',
+        signout: 'Изход',
+        faq: 'Помощ',
+        email:'Имейл',
+        passwordChange: 'Смяна на парола',
+        password:'Парола',
+        passwordRetype:'Парола (отново)',
+        passwordCurrent: 'Текуща парола',
+        passwordForgotten: 'Забравена парола',
+        recoveryMailSent: 'На посочения от Вас адрес е изпратен мейл за възстановяване на парола',
+        confirmCaptcha: 'Въведете текста от картинката',
+        'validate-email': 'Валидиране на имейл',
+        emailValidated: 'Вашият имейл е валидиран.',
+        validationMailContent: v1 => `Линк за активиране: <a href="${v1}">${v1}</a>`,
+        validationMailSent: 'На посочената поща е изпратен линк за активиране',
+        forgottenPassMailContent: v1 => `Линк за възстановяване на парола: <a href="${v1}">${v1}</a>`,
+        emailNotValidated: 'Този имейл не е валидиран',
+        resendValidationMail: 'Повторно изпращане на имейл за верификация',
+        displayName:'Псевдоним',
+        firstName:'Име',
+        lastName:'Фамилия',
+        errors:{
+            unauthorized: 'Отказан достъп',
+            notFound: 'Обектът не е намерен',
+            noReadPermissions: 'Нямате достъп до това съдържание',
+            noEditPermissions:'Нямате права за редакция на този обект',
+            noCreatePermissions:'Нямате права за създаване на обект',
+            noDeletePermissions:'Нямате права за изтриване на този обект',
+            noPermissions: 'Нямате права',
+            ftsUnavailable: 'Услугата за пълнотекстово търсене не е налична',
+            systemReadOnly: 'Записът е отказан. Системата работи в read-only режим.',
+            invalidEmail: 'Невалиден имейл',
+            emailExists: 'Този имейл вече е регистриран',
+            invalidPassword: 'Грешна парола',
+            invalidUsername: 'Грешно потребителско име',
+            passwordMismatch: 'Паролите не съвпадат',
+            invalidCaptcha: 'Невалиден текст от картинката',
+            invalidValidationLink: 'Невалиден линк за валидация',
+            activationLinkExpired: 'Изтекъл линк за активация',
+            invalidActivationLink: 'Невалиден линк за активация',
+            objectUpdateCollision: 'Неуспешен запис. Обектът е бил редактиран от друг потребител. Моля опресенете страницата.'
+        },
     },
 }
 
diff --git a/src/stores/app.js b/src/stores/app.js
index 332c16d..921896e 100644
--- a/src/stores/app.js
+++ b/src/stores/app.js
@@ -9,10 +9,17 @@ prefs = reactive(prefs ? JSON.parse(prefs) : {
   }
 })
 
+let snackbar = reactive({
+  show: false,
+  text: '',
+  color: 'info',
+  timeout: 3000,
+})
+
 watch(prefs, (newPrefs) => {
   localStorage.setItem('prefs', JSON.stringify(newPrefs))
 }, { deep: true })
 
 export const useAppStore = defineStore('app', {
-  state: () => ({ prefs }),
+  state: () => ({ prefs, snackbar }),
 })