"No block size selected", so… go back into Config mode, and click on "Auto-configure Block Size" for each of the inputs & outputs you're using.
You should also use "Kernel Streaming" interface whenever possible. You should usually get lower frame jitter from that, vs Wave.
The other thing I see that's wrong is that you're assigning 3 different things to the same soundcard output. If you want to be able to have a physical soundcard output that can switch between different patch points, use the "Monitor Output" for that.