7" touch screen says Connection Failure . Music plays on ROON. RPi4 Hifiberry DAC+ Pro.Have roon server on PC

Hey!

I have music, but touchscreen still reads connection failure and asks if Roon Core is running (it must be) and if remote control extension is enabled in roon.
Can’t find 192.168.1.239.9100/display/
Screen displayed Ropieee installation and reboot text scrolling.