visual studio cannot open my project error npm start

Question

i want to run and debuuging my project but i have this error

when i put npm start

  /home/aymen/Téléchargements/app/node_modules/react-scripts/scripts/start.js:19

throw err; ^

Error: ENOSPC: System limit for number of file watchers reached, watch '/home/aymen/Téléchargements/app/public' at FSWatcher. (node:internal/fs/watchers:244:19) at Object.watch (node:fs:2251:34) at createFsWatchInstance (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:119:15) at setFsWatchListener (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:166:15) at NodeFsHandler._watchWithNodeFs (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:331:14) at NodeFsHandler._handleDir (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:567:19) at processTicksAndRejections (node:internal/process/task_queues:96:5) at async NodeFsHandler._addToNodeFs (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:617:16) at async /home/aymen/Téléchargements/app/node_modules/chokidar/index.js:451:21 at async Promise.all (index 0) Emitted 'error' event on FSWatcher instance at: at FSWatcher._handleError (/home/aymen/Téléchargements/app/node_modules/chokid ar/index.js:647:10) at NodeFsHandler._addToNodeFs (/home/aymen/Téléchargements/app/node_modules/chokidar/lib/nodefs-handler.js:645:18) at processTicksAndRejections (node:internal/process/task_queues:96:5) at async /home/aymen/Téléchargements/app/node_modules/chokidar/index.js:451:21 at async Promise.all (index 0) { errno: -28, syscall: 'watch', code: 'ENOSPC', path: '/home/aymen/Téléchargements/app/public', filename: '/home/aymen/Téléchargements/app/public'

Answer 1

If you are using Linux, your project is hitting your system's file watchers limit

To fix this, on your terminal, try:

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p