CentOS 7 Setup issues: Apache HTTP failure & PHP7.4 not running

I have 2 issues to be solved on my CentOS7 server:
- HTTP Apache does not start
- PHP 7.4 not working

[root@vps ~]# systemctl -l status httpd.service
● httpd.service - The Apache HTTP Server
Loaded: loaded (/etc/systemd/system/httpd.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since za 2021-10-09 10:03:06 CEST; 43s ago
Process: 31748 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
Main PID: 31748 (code=exited, status=1/FAILURE)

okt 09 10:03:06 vps.rentalworks.be systemd[1]: Starting The Apache HTTP Server...
okt 09 10:03:06 vps.rentalworks.be systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
okt 09 10:03:06 vps.rentalworks.be systemd[1]: Failed to start The Apache HTTP Server.
okt 09 10:03:06 vps.rentalworks.be systemd[1]: Unit httpd.service entered failed state.
okt 09 10:03:06 vps.rentalworks.be systemd[1]: httpd.service failed.