diff --git a/.gitignore b/.gitignore
index c8ff818..1ae1622 100644
--- a/.gitignore
+++ b/.gitignore
@@ -122,25 +122,13 @@ dist
 # Stores VSCode versions used for testing VSCode extensions
 .vscode-test
 
+.env
+launch.json
+
 # yarn v2
 .yarn/cache
 .yarn/unplugged
 .yarn/build-state.yml
 .yarn/install-state.gz
 .pnp.*
-db-backup/
-
-.V5/
-.EvaluateTonSavoir/
-config/
-applicationhost.config
-FileContentIndex/
-*.vsidx
-v17/
-.WSuO/
-DocumentLayout.backup.json
-DocumentLayout.json
-ProjectSettings.json
-slnx.sqlite
-slnx.sqlite-journal
-VSWorkspaceState.json
\ No newline at end of file
+db-backup/
\ No newline at end of file
diff --git a/server/controllers/room.js b/server/controllers/room.js
index 1226cb7..bab7f09 100644
--- a/server/controllers/room.js
+++ b/server/controllers/room.js
@@ -17,7 +17,7 @@ class RoomsController {
   create = async (req, res, next) => {
     try {
       if (!req.user || !req.user.userId) {
-        throw new AppError("Utilisateur non authentifié", 401);
+        throw new AppError(MISSING_REQUIRED_PARAMETER);
       }
 
       const { title } = req.body;
@@ -30,9 +30,7 @@ class RoomsController {
       const roomExists = await this.rooms.roomExists(normalizedTitle);
 
       if (roomExists) {
-        const error = new Error("Room already exists");
-        error.statusCode = 409;
-        throw error;
+        throw new AppError(ROOM_ALREADY_EXISTS);
       }
 
       const result = await this.rooms.create(normalizedTitle, req.user.userId);
@@ -42,17 +40,14 @@ class RoomsController {
         roomId: result.insertedId,
       });
     } catch (error) {
-      if (error instanceof Error) {
-        if (error.message === "Room already exists") {
-          return next(new AppError(ROOM_ALREADY_EXISTS));
-        } 
-      }
-
-      next(error);
+      next(
+        error instanceof AppError
+          ? error
+          : new AppError({ message: error.message, code: 500 })
+      );
     }
   };
 
-  
   getUserRooms = async (req, res, next) => {
     try {
       const rooms = await this.rooms.getUserRooms(req.user.userId);
diff --git a/server/middleware/AppError.js b/server/middleware/AppError.js
index 58a4d83..b4ed258 100644
--- a/server/middleware/AppError.js
+++ b/server/middleware/AppError.js
@@ -1,9 +1,10 @@
 class AppError extends Error {
     constructor (errorCode) {
-        super(errorCode.message)
-        this.statusCode = errorCode.code;
-        this.isOperational = true; // Optional: to distinguish operational errors from programming errors
+      super(errorCode.message);
+      this.statusCode = errorCode.code;
+      this.isOperational = true; 
     }
-}
-
-module.exports = AppError;
+  }
+  
+  module.exports = AppError;
+  
\ No newline at end of file
diff --git a/server/middleware/errorHandler.js b/server/middleware/errorHandler.js
index d10a685..8c2c5df 100644
--- a/server/middleware/errorHandler.js
+++ b/server/middleware/errorHandler.js
@@ -9,11 +9,15 @@ const errorHandler = (error, req, res, _next) => {
         code: error.statusCode
       });
     }
-  
-    return res.status(500).json({
-      message: "Erreur technique",
-      code: 500
-    });
+
+    logError(error.stack);
+    return res.status(505).send("Oups! We screwed up big time. 	┻━┻ ︵ヽ(`Д´)ﾉ︵ ┻━┻");
   };
 
+  const logError = (error) => {
+    const time = new Date();
+    var log_file = fs.createWriteStream(__dirname + '/../debug.log', {flags : 'a'});
+    log_file.write(time + '\n' + error + '\n\n');
+}
+
 module.exports = errorHandler;