I am trying install stack N220 : https://wiki.processmaker.com/3.2/Stack_220 but in the last step error occurred:
An error occurred.
Sorry, the page you are looking for is currently unavailable. Please try again later.
If you are the system administrator of this resource then you should check the error log for details.
Faithfully yours, nginx.
Error log:
connect() to unix:/var/run/php-fpm/processmaker.sock the file does not exist.