Как я могу решить ошибку с fastcgi в конфигурации ProcessMaker?

Когда я пытался установить stackmaker stackN220, я обнаружил ошибку.
Служба поддержки Processmaker не ответила ни на один вопрос в интерком-чате, потому что я не корпоративный клиент!

моя конф

#ProcessMaker HTTP Virtual Host

server {

listen 80;
listen [::]:80;
#Change for server DNS name
server_name processmakernginx.local;
#The following line must be added Only if phpMyAdmin is configured
#include /opt/phpMyAdmin/phpMyAdmin.conf;

root /opt/processmaker/workflow/public_html; #where ProcessMaker is installed

index index.html index.htm app.php index.php;

try_files $uri $uri/ /index.php?$args;

charset utf-8;

location / {
try_files $uri $uri/ /index.php?$query_string;
}

location = /favicon.ico { access_log off; log_not_found off; }

location = /robots.txt  { access_log off; log_not_found off; }

access_log /var/log/nginx/pm-access.log combined; #enables access logs

error_log  /var/log/nginx/pm-error.log error; #enables error logs

sendfile off;

client_max_body_size 100m;

# Every PHP script must be routed to PHP-FPM

location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass unix:/var/run/php-fpm/processmaker.sock;
fastcgi_index    app.php;

include fastcgi_params;
fastcgi_param    SCRIPT_FILENAME  /opt/processmaker/workflow/public_html/app.php;
fastcgi_intercept_errors off;
fastcgi_buffers 8 16k;
fastcgi_buffer_size 32k;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;

}

#Browser Caching

location ~* \.(ico|css|js|gif|jpeg|jpg|png|woff|ttf|otf|svg|woff2|eot)$ {
expires 24h;
add_header Cache-Control public;
access_log off;
log_not_found off;

fastcgi_pass unix:/var/run/php-fpm/processmaker.sock;

fastcgi_index    app.php;

include fastcgi_params;

fastcgi_param    SCRIPT_FILENAME   /opt/processmaker/workflow/public_html/app.php;

fastcgi_intercept_errors off;

fastcgi_buffers 8 16k;

fastcgi_buffer_size 32k;

fastcgi_connect_timeout 300;

fastcgi_send_timeout 300;

fastcgi_read_timeout 300;
}


location ~ /\.ht {
deny all;
}

error_page 404 /404.html;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}

}

но ошибка

FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream

произошло.

и когда вызов URL, сначала HTML-файл перенаправить его на

http://processmakernginx.local/sys/en/neoclassic/login/login

Mannual: https://wiki.processmaker.com/3.2/Stack_N220

file not found

появился.