This error reach a system limit on the number of files you can monitor.
See your current system limit.
See your current system limit.
cat /proc/sys/fs/inotify/max_user_watches
You can temporarily change limit with next command.
sudo sysctl fs.inotify.max_user_watches=524288
sudo sysctl -p
Also you can permanently change limit with next command.
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf
sudo sysctl -p