From your log:
mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_stm32g0b1xx_27000D000150414235363020-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_stm32g0b1xx_27000D000150414235363020-if00'
Key is: No such file or directory: '/dev/serial/by-id/usb-Klipper_stm32g0b1xx_27000D000150414235363020-if00'. so apparently this path is either not correct or the board is not correctly registered in the Linux system. See Issues flashing the printer board for some pointers.