I get the following web page after about 3 minutes. I tried many things to solve the problem.
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at [no address given] to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Apache/2.4.41 (Ubuntu) Server at cs.solsrv.com Port 80
Apache eror.log has the following
[Wed Jul 27 03:46:41.359827 2022] [fastcgi:error] [pid 91980:tid 139654468687616] (104)Connection reset by peer: [client 172.16.1.248:49758] FastCGI: comm with server “/usr/lib/cgi-bin/php-fcgi” aborted: read failed, referer: SuiteCRM Setup Wizard: Welcome to the SuiteCRM 8.1.2 Setup Wizard, License Acceptance
[Wed Jul 27 03:46:41.359931 2022] [fastcgi:error] [pid 91980:tid 139654468687616] [client 172.16.1.248:49758] FastCGI: incomplete headers (0 bytes) received from server “/usr/lib/cgi-bin/php-fcgi”, referer: SuiteCRM Setup Wizard: Welcome to the SuiteCRM 8.1.2 Setup Wizard, License Acceptance