Setup.php does't run on new install of Open EMR on CentOS 8

[luisuriarte (Luis Angel Uriarte)]

Hi Angus.
Here are solutions regarding that

Site ID is missing from session data!

Trying to login into openEMR . Installed Xampp as a service. Services starting fine. But when I try to login, getting the error “Site ID is missing from session data!” . and also I am not able to add any new users into users table.

"Site ID is missing from session data!" Error from remote login

For anyone reading this today 12/17/2018, if this is still occuring on your system. The issue is the settings for the session under the Security tab in globals. If the session time is set longer than the amount of time a session cookie is active on the local computer. This error will occur. Example: Local PC cookie set to expire in 2 hrs Session expiration set in OpenEMR to 3 hrs This will cause this error to still occur. If the default 7200 is left in the system This error will not occur. …