Pihole on Octopi Distro not blocking, absolute beginner

Help
#1

Expected Behaviour:

I Installed Pihole on a PI4 with an Octopi Image. Both Programs are running but Pihole is not blocking anything, bloody beginner and first time working with Linux]

Actual Behaviour:

[no blocking but running]

Debug Token:

[https://tricorder.pi-hole.net/99CFQaFX/]