diff --git a/app/(tabs)/(add)/AddScreen.tsx b/app/(tabs)/(add)/AddScreen.tsx
index e420054..04f5310 100644
--- a/app/(tabs)/(add)/AddScreen.tsx
+++ b/app/(tabs)/(add)/AddScreen.tsx
@@ -1,13 +1,16 @@
 import {SafeAreaView, View, Text} from "react-native";
 import React from "react";
+import InternalError from "@/components/error/InternalErrorProblem";
 
 export default function AddScreen() {
     return (
         <SafeAreaView>
             <View>
-                <Text className="m-7 font-extrabold">Welcome to Add Screen </Text>
-                <Text>We will do it soon</Text>
+                <InternalError/>
             </View>
         </SafeAreaView>
     );
-}
\ No newline at end of file
+}
+
+//<Text className="m-7 font-extrabold">Welcome to Add Screen </Text>
+//                 <Text>We will do it soon</Text>
\ No newline at end of file
diff --git a/app/(tabs)/(help)/HelpsScreen.tsx b/app/(tabs)/(help)/HelpsScreen.tsx
index 48e20f0..c478b22 100644
--- a/app/(tabs)/(help)/HelpsScreen.tsx
+++ b/app/(tabs)/(help)/HelpsScreen.tsx
@@ -1,12 +1,12 @@
 import {SafeAreaView, Text, View} from "react-native";
 import React from "react";
+import Blocked from "@/components/error/BlockedProblem";
 
 export default function HelpsScreen() {
     return (
         <SafeAreaView>
             <View>
-                <Text className="m-7 font-extrabold">Welcome to Help Screen </Text>
-                <Text>We will do it soon</Text>
+                <Blocked/>
             </View>
         </SafeAreaView>
 
diff --git a/app/(utility)/Error.tsx b/app/(utility)/Error.tsx
new file mode 100644
index 0000000..259cedb
--- /dev/null
+++ b/app/(utility)/Error.tsx
@@ -0,0 +1,37 @@
+import Text from "@/components/ui/Text";
+import React, {forwardRef} from "react";
+import {Image, View, ViewProps} from "react-native";
+import BackButton from "@/components/BackButton";
+
+import {Entypo} from "@expo/vector-icons";
+
+export interface ProblemProps extends ViewProps{
+    picture: string;
+    problem: string;
+    description: string;
+    information: string;
+    isVisible?: boolean;
+}
+
+export default forwardRef<any, ProblemProps> (({className, ...Props}, ref) => {
+    return (
+        <View className={"gap-4 justify-between h-3/4" + " " + className} {...Props} ref={ref}>
+            <View className="flex-row justify-between items-center p-4">
+                <BackButton/>
+            </View>
+
+            <View className="flex-row justify-center">
+                <Image className="aspect-square w-3/5 h-3/5" source={Props.picture}/>
+            </View>
+
+            <Text position="center" weight="bold" size="3xl"> {Props.problem} </Text>
+            <Text size="lg" position="center" className="text-gray-400"> {Props.description} </Text>
+            <View className="flex-row justify-center">
+                <View className="flex-row items-center border-2 rounded-2xl bg-red-300 border-red-600 p-4">
+                    <Entypo name="warning" size={30} color="red"/>
+                    <Text size="lg" position="center"> {Props.information} </Text>
+                </View>
+            </View>
+        </View>
+    );
+});
\ No newline at end of file
diff --git a/app/+not-found.tsx b/app/+not-found.tsx
index 04514bf..dcac0d4 100644
--- a/app/+not-found.tsx
+++ b/app/+not-found.tsx
@@ -1,55 +1,18 @@
-import React from "react";
-import {
-  Image,
-  SafeAreaView,
-  StatusBar,
-  Text,
-  TouchableOpacity,
-  View,
-} from "react-native";
+import {Link, router, Stack, usePathname, useRouter} from 'expo-router';
+import {Button, StyleSheet, Text, View} from 'react-native';
 
-export default function NotFoundScreen() {
-  return (
-    <SafeAreaView className="flex-1 bg-white">
-      <StatusBar barStyle="dark-content" />
-
-      {/* Back Button Area */}
-      <View className="p-4 absolute top-11 left-0 z-10">
-        <Text className="text-2xl text-gray-300">⟨</Text>
-      </View>
-
-      {/* Main Content */}
-      <View className="flex-1 items-center justify-center px-5">
-        {/* Magnifying Glass Image */}
-        <Image
-          source={{
-            uri: "https://hebbkx1anhila5yf.public.blob.vercel-storage.com/Capture%20d%E2%80%99e%CC%81cran%202025-01-21%20a%CC%80%2008.21.49-5FFPPKCnwJH2QV30OeJup36tsu0CGA.png",
-          }}
-          className="w-[200px] h-[200px] mb-10"
-          resizeMode="contain"
-        />
 
-        {/* Error Text */}
-        <Text className="text-4xl font-bold text-gray-800 mb-4">Not Found</Text>
-
-        {/* Error Message */}
-        <Text className="text-lg text-gray-600 text-center mb-6">
-          Whoops! Coach S can't find this page :(
-        </Text>
-
-        {/* Status Code */}
-        <View className="bg-red-100/20 py-2 px-4 rounded-lg flex-row items-center mb-10">
-          <Text className="text-red-400 text-base">
-            :warning: Status Code: 404
-          </Text>
-        </View>
+export default function NotFoundScreen() {
+  const pathname = usePathname();
+  const router = useRouter();
 
-        {/* Home Button */}
-        <TouchableOpacity className="bg-[#F4804F] py-4 px-8 rounded-full flex-row items-center absolute bottom-10 left-5 right-5">
-          <Text className="text-white text-lg font-semibold text-center flex-1">
-            Take Me Home
-          </Text>
-        </TouchableOpacity>
+  return (
+    <>
+      <Stack.Screen options={{ title: 'Oops!' }} />
+      <View style={styles.container}>
+        <Text>This screen {pathname} doesn't exist: {pathname}</Text>
+        <Button title="Retour Home" onPress={() => router.replace("/")}/>
+          <Text>Go to home screen!</Text>
       </View>
     </SafeAreaView>
   );
diff --git a/assets/images/Blocked.png b/assets/images/Blocked.png
new file mode 100644
index 0000000..eed9be7
Binary files /dev/null and b/assets/images/Blocked.png differ
diff --git a/assets/images/InternalError.png b/assets/images/InternalError.png
new file mode 100644
index 0000000..cc5854b
Binary files /dev/null and b/assets/images/InternalError.png differ
diff --git a/assets/images/Maintenance.png b/assets/images/Maintenance.png
new file mode 100644
index 0000000..4d35432
Binary files /dev/null and b/assets/images/Maintenance.png differ
diff --git a/assets/images/NoInternet.png b/assets/images/NoInternet.png
new file mode 100644
index 0000000..19be02a
Binary files /dev/null and b/assets/images/NoInternet.png differ
diff --git a/assets/images/NotAllowed.png b/assets/images/NotAllowed.png
new file mode 100644
index 0000000..be1ebf4
Binary files /dev/null and b/assets/images/NotAllowed.png differ
diff --git a/assets/images/NotFound.png b/assets/images/NotFound.png
new file mode 100644
index 0000000..651b820
Binary files /dev/null and b/assets/images/NotFound.png differ
diff --git a/components/Errors.tsx b/components/Errors.tsx
index f0e9a38..b85981e 100644
--- a/components/Errors.tsx
+++ b/components/Errors.tsx
@@ -1,3 +1,10 @@
 export const EMPTY_FIELD = "Un des champs est vide !";
 export const INVALID_EMAIL = "Adresse mail invalide !";
 export const NOT_MATCHING_PASSWORD = "Les mots de passe sont différents";
+
+export const NOT_FOUND = "Ressource introuvable :<";
+export const NO_INTERNET = "Pas de connexion à internet";
+export const INTERNAL_ERROR = "Erreur interne, veuillez nous pardonner";
+export const MAINTENANCE = "Le serveur est en maintenance, veuillez réessayer plus tard";
+export const NOT_AUTHORIZED = "Vous n'êtes pas autorisé à accéder à cette ressource";
+export const FEATURE_LOCKED = "Cette fonctionnalité est verrouillée";
\ No newline at end of file
diff --git a/components/WorkoutCardComponent.tsx b/components/WorkoutCardComponent.tsx
index 310895c..8bc119b 100644
--- a/components/WorkoutCardComponent.tsx
+++ b/components/WorkoutCardComponent.tsx
@@ -2,7 +2,6 @@ import { Workout } from "@/model/Workout";
 import { AntDesign, MaterialCommunityIcons } from "@expo/vector-icons";
 import { useRouter } from "expo-router";
 import React from "react";
-import { ImageBackground, Text, TouchableOpacity, View } from "react-native";
 
 interface WorkoutCardComponentProps {
   exercise?: Workout;
diff --git a/components/error/BlockedProblem.tsx b/components/error/BlockedProblem.tsx
new file mode 100644
index 0000000..be92d2a
--- /dev/null
+++ b/components/error/BlockedProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {FEATURE_LOCKED} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import blockedPict from "@/assets/images/Blocked.png";
+
+export default function Blocked() {
+    return (
+        <Error
+            picture={blockedPict}
+            problem="Fonctionnalité bloquée"
+            description={FEATURE_LOCKED}
+            information="Devenez PREMIUM pour débloquer"
+        />
+    );
+}
\ No newline at end of file
diff --git a/components/error/InternalErrorProblem.tsx b/components/error/InternalErrorProblem.tsx
new file mode 100644
index 0000000..371a33f
--- /dev/null
+++ b/components/error/InternalErrorProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {INTERNAL_ERROR} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import internalErrorPict from "@/assets/images/InternalError.png";
+
+export default function InternalError() {
+    return (
+        <Error
+            picture={internalErrorPict}
+            problem="Problème interne"
+            description={INTERNAL_ERROR}
+            information="Contactez le support"
+        />
+    );
+}
\ No newline at end of file
diff --git a/components/error/MaintenanceProblem.tsx b/components/error/MaintenanceProblem.tsx
new file mode 100644
index 0000000..f1de7f6
--- /dev/null
+++ b/components/error/MaintenanceProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {MAINTENANCE} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import maintenancePict from "@/assets/images/Maintenance.png";
+
+export default function Maintenance() {
+    return (
+        <Error
+            picture={maintenancePict}
+            problem="Maintenance"
+            description={MAINTENANCE}
+            information="Revenez plus tard"
+        />
+    );
+}
\ No newline at end of file
diff --git a/components/error/NoInternetProblem.tsx b/components/error/NoInternetProblem.tsx
new file mode 100644
index 0000000..70544a7
--- /dev/null
+++ b/components/error/NoInternetProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {NO_INTERNET} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import noInternetPict from "@/assets/images/NoInternet.png";
+
+export default function NoInternet() {
+    return (
+        <Error
+            picture={noInternetPict}
+            problem="Pas d'internet"
+            description={NO_INTERNET}
+            information="Réessayez plus tard"
+        />
+    );
+}
\ No newline at end of file
diff --git a/components/error/NotAllowedProblem.tsx b/components/error/NotAllowedProblem.tsx
new file mode 100644
index 0000000..e9351db
--- /dev/null
+++ b/components/error/NotAllowedProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {NOT_AUTHORIZED} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import notAllowedPict from "@/assets/images/NotAllowed.png";
+
+export default function NotAllowedProblem() {
+    return (
+        <Error
+            picture={notAllowedPict}
+            problem="Pas autorisé"
+            description={NOT_AUTHORIZED}
+            information="Connectez vous avec plus de privilèges"
+        />
+    );
+}
\ No newline at end of file
diff --git a/components/error/NotFoundProblem.tsx b/components/error/NotFoundProblem.tsx
new file mode 100644
index 0000000..21cab7b
--- /dev/null
+++ b/components/error/NotFoundProblem.tsx
@@ -0,0 +1,15 @@
+import React from "react";
+import {NOT_FOUND} from "@/components/Errors";
+import Error from "@/app/(utility)/Error";
+import notFoundPict from "@/assets/images/NotFound.png";
+
+export default function NotFound() {
+    return (
+        <Error
+            picture={notFoundPict}
+            problem="Introuvable"
+            description={NOT_FOUND}
+            information="Status Code : 404"
+        />
+    );
+}
\ No newline at end of file