Roon ARC remote reporting error

Roon Core Machine

Apple MacBookPro 2019, 1.7 ghz, I7, 16MB Ram

Networking Gear & Setup Details

Eero Router, ethernet, no vpn

Connected Audio Devices

Cambridge CXN V2, roon ready

Number of Tracks in Library

18268 tracks

Description of Issue

My CarPlay worked for 1/2 day, now it doesn’t work. I tried changing the port to 49,000 or 55002 and that didn’t do anything. I dont know where to begin to get this to work right and consistently. Please help me with 1,2,3 steps to rectify. Thank you. Robert