FTL Offline - Pihole is working but nothing to see on dashboard

Pihole is working by blocking ads. But I stuck and can't figure out why dashboard is not working.
I've checked out FTL to master. It shows now vDev-8493df4. Thought it will checkout to 4.1

Token is: 49nd2cvuyu

You are running Debian Wheezy, which is EOL and no longer supported.