Your debug log shows that part of your Pi-hole (core) is on the release/5.0 beta branch, and the rest is on the master branch. It needs to be either all master branch or all beta branch.
*** [ DIAGNOSING ]: Core version
[i] Core: v4.3.5 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Branch: release/v5.0 (https://discourse.pi-hole.net/t/the-pihole-command-with-examples/738#checkout)
[i] Commit: v4.3.5-447-gdc8ae4f
*** [ DIAGNOSING ]: Web version
[i] Web: v4.3.3 (https://discourse.pi-hole.net/t/how-do-i-update-pi-hole/249)
[i] Branch: master
[i] Commit: v4.3.3-0-g62f2ffc
*** [ DIAGNOSING ]: FTL version
[✓] FTL: v4.3.1
You are also running Centos 8, which is not a supported OS:
*** [ DIAGNOSING ]: Operating system
[✓] CentOS Linux 8 (Core)
There are some workarounds for CentOS installation:
And, Pi-hole is configured inccrrectly:
*** [ DIAGNOSING ]: Networking
[✓] IPv4 address(es) bound to the enp9s0 interface:
192.168.178.65/24 does not match the IP found in /etc/pihole/setupVars.conf (https://discourse.pi-hole.net/t/use-ipv6-ula-addresses-for-pi-hole/2127)
*** [ DIAGNOSING ]: Setup variables
PIHOLE_INTERFACE=enp9s0
IPV4_ADDRESS=192.168.0.60/24