node:events:497
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE: address already in use :::3001
    at Server.setupListenHandle [as _listen2] (node:net:1908:16)
    at listenInCluster (node:net:1965:12)
    at Server.listen (node:net:2067:7)
    at Function.listen (/Users/rxf/Projekte/Rezepte_Klaus/nodejs-version/backend/node_modules/express/lib/application.js:635:24)
    at Object.<anonymous> (/Users/rxf/Projekte/Rezepte_Klaus/nodejs-version/backend/dist/app.js:70:5)
    at Module._compile (node:internal/modules/cjs/loader:1546:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1691:10)
    at Module.load (node:internal/modules/cjs/loader:1317:32)
    at Module._load (node:internal/modules/cjs/loader:1127:12)
    at TracingChannel.traceSync (node:diagnostics_channel:315:14)
Emitted 'error' event on Server instance at:
    at emitErrorNT (node:net:1944:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
  code: 'EADDRINUSE',
  errno: -48,
  syscall: 'listen',
  address: '::',
  port: 3001
}

Node.js v22.9.0