The simpler media website CMS
i have the same problem described in this thread https://forum.zenphoto.org/discussion/1410601/mysterious-random-error-messages#latest but can't solve it.
At first, after moving the installation from the sub-folder to root, I tried to start the setup manually (or from the backend) as indicated in your official instructions, but the server respond me with an "internal server error".
So I edited the .htaccess file manually and managed to access the new site location, then I tried again and still nothing. I've searched the forums and tried all the solutions and the site is working properly, but sometimes the error message "The script SIGNATURE_HASH has changed" reappears.
Should I check the database manually? The configuration files look ok. What can I do?
Thanks in advance.
(Zenphoto version 1.5.7 - Server Apache - Php 7.1.11 - MySQLi version 5.5.62)