SOLVED Erpnext throw er Unhandled 'error' event ENOSPC

Error :

18:43:14 watch.1          | events.js:160

18:43:14 watch.1          |       throw er; // Unhandled 'error' event

18:43:14 watch.1          |       ^

18:43:14 watch.1          | 

18:43:14 watch.1          | Error: watch /home/frappe/frappe-bench/apps/erpnext/erpnext/education/doctype/academic_year ENOSPC

18:43:14 watch.1          |     at exports._errnoException (util.js:1020:11)

18:43:14 watch.1          |     at FSWatcher.start (fs.js:1451:19)

18:43:14 watch.1          |     at Object.fs.watch (fs.js:1478:11)

18:43:14 watch.1          |     at createFsWatchInstance (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:37:15)

18:43:14 watch.1          |     at setFsWatchListener (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:80:15)

18:43:14 watch.1          |     at FSWatcher.NodeFsHandler._watchWithNodeFs (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:229:14)

18:43:14 watch.1          |     at FSWatcher.NodeFsHandler._handleDir (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:408:19)

18:43:14 watch.1          |     at FSWatcher.<anonymous> (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:456:19)

18:43:14 watch.1          |     at FSWatcher.<anonymous> (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:461:16)

18:43:14 watch.1          |     at FSReqWrap.oncomplete (fs.js:123:15)

solutions :

frappe@ubuntu:~/frappe-bench$ echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

fs.inotify.max_user_watches=524288

fs.inotify.max_user_watches = 524288

frappe@ubuntu:~/frappe-bench$ sudo sysctl --system

* Applying /etc/sysctl.d/10-console-messages.conf ...

kernel.printk = 4 4 1 7

* Applying /etc/sysctl.d/10-ipv6-privacy.conf ...

net.ipv6.conf.all.use_tempaddr = 2

net.ipv6.conf.default.use_tempaddr = 2

* Applying /etc/sysctl.d/10-kernel-hardening.conf ...

kernel.kptr_restrict = 1

* Applying /etc/sysctl.d/10-link-restrictions.conf ...

fs.protected_hardlinks = 1

fs.protected_symlinks = 1

* Applying /etc/sysctl.d/10-magic-sysrq.conf ...

kernel.sysrq = 176

* Applying /etc/sysctl.d/10-network-security.conf ...

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.all.rp_filter = 1

net.ipv4.tcp_syncookies = 1

* Applying /etc/sysctl.d/10-ptrace.conf ...

kernel.yama.ptrace_scope = 1

* Applying /etc/sysctl.d/10-zeropage.conf ...

vm.mmap_min_addr = 65536

* Applying /etc/sysctl.d/99-sysctl.conf ...

fs.inotify.max_user_watches = 524288

* Applying /etc/sysctl.conf ...

fs.inotify.max_user_watches = 524288

..show all:.

.

Error :

18:43:14 watch.1          | events.js:160

18:43:14 watch.1          |       throw er; // Unhandled 'error' event

18:43:14 watch.1          |       ^

18:43:14 watch.1          | 

18:43:14 watch.1          | Error: watch /home/frappe/frappe-bench/apps/erpnext/erpnext/education/doctype/academic_year ENOSPC

18:43:14 watch.1          |     at exports._errnoException (util.js:1020:11)

18:43:14 watch.1          |     at FSWatcher.start (fs.js:1451:19)

18:43:14 watch.1          |     at Object.fs.watch (fs.js:1478:11)

18:43:14 watch.1          |     at createFsWatchInstance (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:37:15)

18:43:14 watch.1          |     at setFsWatchListener (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:80:15)

18:43:14 watch.1          |     at FSWatcher.NodeFsHandler._watchWithNodeFs (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:229:14)

18:43:14 watch.1          |     at FSWatcher.NodeFsHandler._handleDir (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:408:19)

18:43:14 watch.1          |     at FSWatcher.<anonymous> (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:456:19)

18:43:14 watch.1          |     at FSWatcher.<anonymous> (/home/frappe/frappe-bench/node_modules/chokidar/lib/nodefs-handler.js:461:16)

18:43:14 watch.1          |     at FSReqWrap.oncomplete (fs.js:123:15)

solutions :

frappe@ubuntu:~/frappe-bench$ echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

fs.inotify.max_user_watches=524288

fs.inotify.max_user_watches = 524288

frappe@ubuntu:~/frappe-bench$ sudo sysctl --system

* Applying /etc/sysctl.d/10-console-messages.conf ...

kernel.printk = 4 4 1 7

* Applying /etc/sysctl.d/10-ipv6-privacy.conf ...

net.ipv6.conf.all.use_tempaddr = 2

net.ipv6.conf.default.use_tempaddr = 2

* Applying /etc/sysctl.d/10-kernel-hardening.conf ...

kernel.kptr_restrict = 1

* Applying /etc/sysctl.d/10-link-restrictions.conf ...

fs.protected_hardlinks = 1

fs.protected_symlinks = 1

* Applying /etc/sysctl.d/10-magic-sysrq.conf ...

kernel.sysrq = 176

* Applying /etc/sysctl.d/10-network-security.conf ...

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.all.rp_filter = 1

net.ipv4.tcp_syncookies = 1

* Applying /etc/sysctl.d/10-ptrace.conf ...

kernel.yama.ptrace_scope = 1

* Applying /etc/sysctl.d/10-zeropage.conf ...

vm.mmap_min_addr = 65536

* Applying /etc/sysctl.d/99-sysctl.conf ...

fs.inotify.max_user_watches = 524288

* Applying /etc/sysctl.conf ...

fs.inotify.max_user_watches = 524288