/var/log/httpd/error_log
[Tue Jan 26 01:04:49.424422 2021] [cgi:error] [pid 5106] [client 192.168.0.57:55159] AH01215: (2)No such file or directory: exec of '/var/www/cgi-bin/test.cgi' failed
[Tue Jan 26 01:04:49.426714 2021] [cgi:error] [pid 5106] [client 192.168.0.57:55159] End of script output before headers: test.cgi