From the log:
mcu 'mcu': Starting serial connect
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_stm32h723xx_2C0018000851323235363233-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_stm32h723xx_2C0018000851323235363233-if00'
Probably one of the items listed in Issues flashing the printer board