fix

src/server.ts

@@ -198,7 +198,7 @@ app.get('/health', (req: Request, res: Response) => {
 });
 
 // Error handler
-app.use((_err: Error, _req: Request, res: Response, _next: any) => {
+app.use((_err: Error, _req: Request, res: Response) => {
     console.error(_err.stack);
     res.status(500).json({ error: 'Something went wrong!' });
 });