[Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_stm32f407xx_3C004F001850314335393520-if00'
This means no printer board with the respective serial path is found to be connected to your CB1 host. This is, in the first place, an error from the Linux OS that no such device is found.
- Check powers and cables
- Check with the dmesg procedure what is “seen” by the operating system