If you're using nginx + uwsgi, it's possible that the server refuse to upload files larger than 1 Megabyte. This can be a problem if you try to upload an application with the admin interface.
http://www.nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size Adding an explicit entry with the proper value for the file size threshold at the nginx server configuration should solve it. --
