Website crashed on Django/nginx/uWSGI, how to fix it?

Question

Django

2018/10/02 06:02:00 [crit] 7233#7233: *39 connect() to unix:///var/www/www.ru/project/project.sock failed (2: No such file or directory ) while connecting to upstream, client: 136.243.172.156, server: www.ru, request: "GET / HTTP/1.1", upstream: "uwsgi://unix:///var/www/www.ru/project/ project.sock:", host: "www.ru"
[email protected]_django:logs$ packet_write_wait: Connection to 94.130.30.225 port 22: Broken pipe
[pid: 633|app: 0|req: 580590/580590] 204.141.42.226 ( ) {38 vars in 423 bytes} [Tue Oct 2 06:54:29 2018] HEAD / => generated 0 bytes in 40 msecs (HTTP/1.1 200) 4 headers in 234 bytes (1 switches on core 0)
Tue Oct 2 06:54:30 2018 - received message 0 from emperor
SIGINT/SIGQUIT received...killing workers...
worker 1 buried after 1 seconds
Goodbye to uWSGI.
VACUUM: unix socket /var/www/www.ru/project/project.sock removed.
neighboring sites hosted on the same server perfectly respond. the server is restarted, zero emotions.