How to resolve this error in Linux Centos?

I have a Error in my Linus Server. When i will logon my domain on browser example.com it can show an error ERROR: Gateway Timeout I will use PuTTy on Computer Windows, when i login my root User and Enter My Password after given of this command, systemctl status httpd.service a error show. Error=>

● httpd.service - The Apache HTTP Server

Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)

Active: failed (Result: exit-code) since Mon 2017-07-10 00:04:01 PKT; 9h ago Docs: man:httpd(8)

man:apachectl(8)

Process: 40522 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited,

status=1/FAILURE)

Process: 40521 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited,

status=1/FAILURE)

Main PID: 40521 (code=exited, status=1/FAILURE)

Jul 10 00:04:01 example.com systemd[1]: Starting The Apache HTTP Server…

Jul 10 00:04:01 example.com httpd[40521]: (2)No such file or directory: A…1

Jul 10 00:04:01 example.com httpd[40521]: AH00014: Configuration check failed

Jul 10 00:04:01 example.com systemd[1]: httpd.service: main process exite…E

Jul 10 00:04:01 example.com kill[40522]: kill: cannot find process “”

Jul 10 00:04:01 example.com systemd[1]: httpd.service: control process ex…1

Jul 10 00:04:01 example.com systemd[1]: Failed to start The Apache HTTP S…

Jul 10 00:04:01 example.com systemd[1]: Unit httpd.service entered failed…

Jul 10 00:04:01 example.com systemd[1]: httpd.service failed.

Jul 10 03:19:01 example.com systemd[1]: Unit httpd.service cannot be relo…

Hint: Some lines were ellipsized, use -l to show in full.

Note: Example.com in above question is my primary domain name. I will not show my primary domain due to security reason. Thank you