413 Request Entity Too Large – File Upload Issue
Source: http://www.cyberciti.biz/faq/linux-unix-bsd-nginx-413-request-entity-too-large/ Edit the conf file of nginx: nano /etc/nginx/nginx.conf Add a line in the http, server or location section: client_max_body_size 100M; Doen’t use MB it will not work, only the M! Also do not forget to restart nginx systemctl restart nginx