diff --git a/backend/k8s/deployment.yaml b/backend/k8s/deployment.yaml
index ee43da9..a7ade5a 100644
--- a/backend/k8s/deployment.yaml
+++ b/backend/k8s/deployment.yaml
@@ -78,7 +78,7 @@ spec:
             - containerPort: 5000
           resources: 
             limits:
-              memory: 100Mi
+              memory: 2Gi
       restartPolicy: Always
       automountServiceAccountToken: false
 
diff --git a/client/cypress/e2e/scheduling.cy.js b/client/cypress/e2e/scheduling.cy.js
index 4b22af3..ba8a8da 100644
--- a/client/cypress/e2e/scheduling.cy.js
+++ b/client/cypress/e2e/scheduling.cy.js
@@ -4,7 +4,7 @@ context('Error handling', () => {
   describe('Error getting user', () => {
     before(() => {
       cy.intercept('/api/v1/users/findUserByUrl?url=christian-gawron', { statusCode: 500, body: { error: "no data" } }).as('getUser')
-      cy.visit('/schedule/christian-gawron/sprechstunde')
+      cy.visit('/users/christian-gawron/sprechstunde')
     })
 
     it('Should show error message', () => {
@@ -26,13 +26,12 @@ context('Scheduling page', () => {
   describe('Visit scheduling page and schedule appointment', () => {
     before(() => {
       cy.intercept('POST', '/api/v1/**', { body: { error: 'not possible' } }).as('apiCheck')
-      cy.visit('/schedule/christian-gawron/sprechstunde')
+      cy.visit('/users/christian-gawron/sprechstunde')
     })
 
     it('Check simple schedule flow', () => {
       cy.wait(['@getUser', '@getEvent', '@getAvailable'], { timeout: 10000 })
-      cy.get('h6').should('contain', 'Christian Gawron')
-      cy.get('.MuiPickersDay-today').should('contain', '25')
+      cy.get('.MuiPickersDay-today').should('contain', '25').click()
       cy.contains('07:00').click()
       cy.get('[name=name]').type('Max Mustermann')
       cy.get('[name=email]').type('mustermann.max@fh-swf.de')
@@ -47,13 +46,12 @@ context('Scheduling page', () => {
   describe('Error creating appointment', () => {
     before(() => {
       cy.intercept('POST', '/api/v1/**', { statusCode: 400, body: { error: 'not possible' } }).as('apiCheck')
-      cy.visit('/schedule/christian-gawron/sprechstunde')
+      cy.visit('/users/christian-gawron/sprechstunde')
     })
 
     it('should show an error message', () => {
       cy.wait(['@getUser', '@getEvent', '@getAvailable'], { timeout: 10000 })
-      cy.get('h6').should('contain', 'Christian Gawron')
-      cy.get('.MuiPickersDay-today').should('contain', '25')
+      cy.get('.MuiPickersDay-today').should('contain', '25').click()
       cy.contains('07:00').click()
       cy.get('[name=name]').type('Max Mustermann')
       cy.get('[name=email]').type('mustermann.max@fh-swf.de')
diff --git a/client/package.json b/client/package.json
index 7035ed9..0a6419d 100644
--- a/client/package.json
+++ b/client/package.json
@@ -37,7 +37,8 @@
     "@types/react": "^18.2.21",
     "axios": "^1.5.0",
     "common": "workspace:*",
-    "date-fns": "^4.0.0",
+    "date-fns": "^4.1.0",
+    "date-fns-tz": "^3.2.0",
     "dayjs": "^1.11.13",
     "i18next": "^23.15.1",
     "i18next-browser-languagedetector": "^8.0.0",
@@ -45,6 +46,7 @@
     "js-cookie": "^3.0.5",
     "jsonwebtoken": "^9.0.2",
     "moment": "^2.30.1",
+    "notistack": "^3.0.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-i18next": "^15.0.2",
diff --git a/client/src/index.tsx b/client/src/index.tsx
index f5ba3b6..d5c3301 100644
--- a/client/src/index.tsx
+++ b/client/src/index.tsx
@@ -18,6 +18,7 @@ import Finished from "./pages/Finished";
 
 import { isAuthenticated } from "./helpers/helpers";
 import { createTheme, ThemeProvider } from "@mui/material/styles";
+import { SnackbarProvider } from 'notistack';
 
 import "./i18n";
 import { LocalizationProvider } from "@mui/x-date-pickers";
@@ -88,7 +89,8 @@ console.log("localeText: %o", deDE.components.MuiLocalizationProvider.defaultPro
 root.render(
   <StrictMode>
     <Suspense fallback="loading">
-      <GoogleOAuthProvider clientId={CLIENT_ID}>
+      <SnackbarProvider maxSnack={3}>
+        <GoogleOAuthProvider clientId={CLIENT_ID}>
 
           <LocalizationProvider dateAdapter={AdapterDateFns} adapterLocale={de} localeText={deDE.components.MuiLocalizationProvider.defaultProps.localeText}>
             <ThemeProvider theme={theme}>
@@ -159,7 +161,8 @@ root.render(
             </ThemeProvider>
           </LocalizationProvider>
 
-      </GoogleOAuthProvider>
+        </GoogleOAuthProvider>
+      </SnackbarProvider>
     </Suspense>
   </StrictMode>
 );
diff --git a/client/src/pages/Booking.tsx b/client/src/pages/Booking.tsx
index ab30ffe..b50692a 100644
--- a/client/src/pages/Booking.tsx
+++ b/client/src/pages/Booking.tsx
@@ -35,6 +35,7 @@ import { EMPTY_EVENT, Event, Slot, IntervalSet } from "common";
 import { UserDocument } from "../helpers/UserDocument";
 import { useTranslation } from "react-i18next";
 import { EventType } from "../components/EventType";
+import { useSnackbar } from "notistack";
 
 const theme = createTheme({
   components: {
@@ -130,6 +131,7 @@ const Booking = (props: any) => {
   const { t, i18n } = useTranslation();
   const data = useParams<{ user_url: string; url: string }>();
   const navigate = useNavigate();
+  const { enqueueSnackbar, closeSnackbar } = useSnackbar();
 
   type Details = { name: string; email: string; description: string };
 
@@ -189,6 +191,8 @@ const Booking = (props: any) => {
         }
       })
       .catch((err) => {
+        console.log("error getting user: %o", err);
+        enqueueSnackbar("Error getting user", { variant: "error", autoHideDuration: 15000, className: "error" });
         return err;
       });
   }, [data.url, data.user_url, navigate, selectedDate]);
diff --git a/yarn.lock b/yarn.lock
index 5d0d801..46c84c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7788,6 +7788,7 @@ __metadata:
     cypress: "npm:^13.15.0"
     cypress-ctrf-json-reporter: "npm:^0.0.11"
     date-fns: "npm:^4.0.0"
+    date-fns-tz: "npm:^3.2.0"
     dayjs: "npm:^1.11.13"
     dotenv-cli: "npm:^7.4.2"
     eslint: "npm:^9.11.1"
@@ -7801,6 +7802,7 @@ __metadata:
     jsonwebtoken: "npm:^9.0.2"
     moment: "npm:^2.30.1"
     node-sass: "npm:^9.0.0"
+    notistack: "npm:^3.0.1"
     react: "npm:^18.3.1"
     react-dom: "npm:^18.3.1"
     react-i18next: "npm:^15.0.2"
@@ -7866,6 +7868,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"clsx@npm:^1.1.0":
+  version: 1.2.1
+  resolution: "clsx@npm:1.2.1"
+  checksum: 10/5ded6f61f15f1fa0350e691ccec43a28b12fb8e64c8e94715f2a937bc3722d4c3ed41d6e945c971fc4dcc2a7213a43323beaf2e1c28654af63ba70c9968a8643
+  languageName: node
+  linkType: hard
+
 "clsx@npm:^2.1.1":
   version: 2.1.1
   resolution: "clsx@npm:2.1.1"
@@ -8554,6 +8563,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"date-fns-tz@npm:^3.2.0":
+  version: 3.2.0
+  resolution: "date-fns-tz@npm:3.2.0"
+  peerDependencies:
+    date-fns: ^3.0.0 || ^4.0.0
+  checksum: 10/8ab4745f00b40381220f0a7a2ec16e217cb629d4018a19047264d289dd260322baa23e19b3ed63c7e553f9ad34bea9dea105391132930a3e141e9a0a53e54af2
+  languageName: node
+  linkType: hard
+
 "date-fns@npm:^2.30.0":
   version: 2.30.0
   resolution: "date-fns@npm:2.30.0"
@@ -11513,6 +11531,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"goober@npm:^2.0.33":
+  version: 2.1.14
+  resolution: "goober@npm:2.1.14"
+  peerDependencies:
+    csstype: ^3.0.10
+  checksum: 10/372f18333ef64c403d29be7c1175cc9cd74cb947ec52cd42fbb1cf3f9870ac1dfec9c7671192cbf47ebc0ec17d8b05b6ef9a2b92952397d5b555a692381d5eaa
+  languageName: node
+  linkType: hard
+
 "google-auth-library@npm:9.0.0, google-auth-library@npm:^9.0.0":
   version: 9.0.0
   resolution: "google-auth-library@npm:9.0.0"
@@ -16701,6 +16728,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"notistack@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "notistack@npm:3.0.1"
+  dependencies:
+    clsx: "npm:^1.1.0"
+    goober: "npm:^2.0.33"
+  peerDependencies:
+    react: ^16.8.0 || ^17.0.0 || ^18.0.0
+    react-dom: ^16.8.0 || ^17.0.0 || ^18.0.0
+  checksum: 10/be6ca9e1c2f06118fe0545eaaf91f2f260efe5b1ff3b3f6575a346d5c9f88666e7f13ef4369a56037a2c89c030c191f034f6e6b5a28be704540a23442e2d19a9
+  languageName: node
+  linkType: hard
+
 "now-and-later@npm:^3.0.0":
   version: 3.0.0
   resolution: "now-and-later@npm:3.0.0"