node:events:502
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE: address already in use :::4000
    at Server.setupListenHandle [as _listen2] (node:net:1937:16)
    at listenInCluster (node:net:1994:12)
    at Server.listen (node:net:2099:7)
    at Object.<anonymous> (E:\_planethoster.net\mustapha-fersaoui\render-engine\server.js:137:8)
    at Module._compile (node:internal/modules/cjs/loader:1562:14)
    at Object..js (node:internal/modules/cjs/loader:1699:10)
    at Module.load (node:internal/modules/cjs/loader:1313:32)
    at Function._load (node:internal/modules/cjs/loader:1123:12)
    at TracingChannel.traceSync (node:diagnostics_channel:322:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:217:24)
Emitted 'error' event on Server instance at:
    at emitErrorNT (node:net:1973:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
  code: 'EADDRINUSE',
  errno: -4091,
  syscall: 'listen',
  address: '::',
  port: 4000
}

Node.js v22.13.0