Your log seems to include only:
error: Can not update MCU 'mcu' config as it is shutdown
Can not update MCU 'mcu' config as it is shutdown
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
And it always mentions the ‘mcu’, which seems to be the SKR board.
This seems a bit strange overall, since this is not an error per se. See Can not update MCU '<name>' config as it is shutdown