From your debug log, the IP of the Pi-Hole is 192.168.178.33.
*** [ DIAGNOSING ]: Networking
[✓] IPv4 address(es) bound to the eth0 interface:
192.168.178.33/24 matches the IP found in /etc/pihole/setupVars.conf
But, it is trying to connect to a gateway at 192.168.1.1. This is on a different range than the Pi.
[i] Default IPv4 gateway: 192.168.1.1
* Pinging 192.168.1.1...
[✗] Gateway did not respond. (https://discourse.pi-hole.net/t/why-is-a-default-gateway-important-for-pi-hole/3546)
Run pihole -r and select reconfigure to put the Pi-Hole on the correct gateway