#81 Mapping preset not working

[Anonymous]

I keep getting this error:
DEBUG Connected to router, get IP of localhost from socket...
DEBUG Get IP of localhost
DEBUG Got internal router port 37XXX
DEBUG Creating socket to router: 192.168.8.1:37XXX...
DEBUG Got address /192.168.8.XXX from socket.
INFO 10 port mapping added successfully
DEBUG Getting port mapping 0...
DEBUG Entry 0 does not exist, stop getting more mappings
DEBUG Got null port mapping for index 0
INFO Found 0 mappings

[Christoph]

It looks like your router did not add the mappings you created. Please check if managing port mappings via UPnP is enabled in your router or try another UPnP library.