You are running an unsupported OS (Bullseye) and there are configuration problems with the connectivity on the device.
*** [ DIAGNOSING ]:e[0m Networking [✓] IPv4 address(es) bound to the vlan2 interface: 169.254.105.110/16e[0m does not match the IP found in /etc/pihole/setupVars.conf Use IPv6 ULA addresses for Pi-hole
[i] Default IPv4 gateway: ppp0 192.168.1.1 *
Pinging ppp0 192.168.1.1...
Gateway did not respond https://discourse.pi-hole.net/t/why-is-a-default-gateway-important-for-pi-hole/3546e[0m)