Pimoroni audio dac shim and picoreplayer

I’m trying to get the audio dac shim working with picoreplayer …
piCorePlayer | piCorePlayer v8.2.0 | www v00017 | linux 5.15.35-pcpCore (32) | piCore v13.2 | Squeezelite v1.9.9-1430-pCP
I wasn’t sure what settings to use and all the information I came across was rather vague … but I did follow the directions on the pimorini page for the product and set the config.txt file with

However in the pcoreplayer set up page I selected HiFiBerry DAC+ Light as it was still defaulting to headphones.

However shairport-sync refuses to start with these settings.
I would appreciate some advice on how to set up this card.