Getting this error on each layer: Unknown command:"_ON_LAYER_CHANGE

Hi all,

I'm getting my VCore 3.1 ready (first build) and slowly tuning the printer setting and filament settings.

But I keep getting this error on each layer. Unknown command:"_ON_LAYER_CHANGE and have no clue what it means

I'm using Prusaclicer
Start G-code

M190 S0 ; Prevents prusaslicer from prepending m190 to the gcode ruining our macro
M109 S0 ; Prevents prusaslicer from prepending m109 to the gcode ruining our macro
START_PRINT EXTRUDER_TEMP=[first_layer_temperature] BED_TEMP=[first_layer_bed_temperature]

any idea what this error is?
Thanks in advanced for your time.

printer.cfg16.11KB

Solution

_ON_LAYER_CHANGE isn't a thing in RatOS 2.0, remove _ON_LAYER_CHANGE from your slicers "custom g-code" layer change section.

Jump to solution

blacksmithforlife•6/30/24, 5:02 PM

Your slicer is outputting that command and klipper doesn't understand it

blacksmithforlife•6/30/24, 5:02 PM

Look in your slicer and disable it

WernerSOP•6/30/24, 5:24 PM

Thanks, but i do not know what or where to look.

Solution

WWernerS Thanks, but i do not know what or where to look.

miklschmidt•7/1/24, 9:20 PM

_ON_LAYER_CHANGE isn't a thing in RatOS 2.0, remove _ON_LAYER_CHANGE from your slicers "custom g-code" layer change section.

miklschmidt•7/1/24, 9:21 PM

Alternatively, you can implement it yourself by manually pasting the following into printer.cfg:

[gcode_macro _ON_LAYER_CHANGE]
gcode:
    SET_PRINT_STATS_INFO CURRENT_LAYER={params.LAYER|int}

[gcode_macro _ON_LAYER_CHANGE]
gcode:
    SET_PRINT_STATS_INFO CURRENT_LAYER={params.LAYER|int}

WernerSOP•7/2/24, 10:26 AM

Found it, Thanks again

Getting this error on each layer: Unknown command:"_ON_LAYER_CHANGE

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