Sudden Playback issue

Core Machine (Operating system/System info/Roon build number)
PC

Network Details (Including networking gear model/manufacturer and if on WiFi/Ethernet)

Audio Devices (Specify what device you’re using and its connection type - USB/HDMI/etc.)

Description Of Issue
Roon has been playing fine then suddenly it won’t play when I skip a track or use Roon radio.
An album will play from start to finish ok but if I try to skip a track it says its playing but isn’t and I have to manually push pause then play to get track started.