Installation issue

Basic Information:

Printer Model: voron 2.4R
MCU / Printerboard: Octopus 1.1
Host / SBC
klippy.log

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there

Describe your issue:

I have made a fresh install, but get only this - what can be the problem ?

mcu 'mcu': Unable to connect
Once the underlying issue is corrected, use the
"FIRMWARE_RESTART" command to reset the firmware, reload the
config, and restart the host software.
Error configuring printer

klippy-5.log (202.1 KB)

moonraker-2.log (186.4 KB)

Try a different USB cable.

mcu 'mcu': Unable to open serial port: [Errno 2] could not open port /dev/serial/by-id/usb-Klipper_stm32f446xx_1F0037000851313133353932-if00: [Errno 2] No such file or directory: '/dev/serial/by-id/usb-Klipper_stm32f446xx_1F0037000851313133353932-if00'

Is that ID correct? SSH in and run ls /dev/serial/by-id/*.

@orge70
For better understanding see How-To Trouble-Shoot