suddenly and error after month, I am not sure what has changed

[Heiko910]

Hi there,
I have had everything working fine for month and suddenly I am getting the ERROR. I have checked everything. It still does the KAMP mesh and the voron purge but still shows that error.
New Prusa Slicer Version is the only thing that changed
Help please.

thanks

The error:

Error evaluating 'gcode_macro PRINT_START:gcode': jinja2.exceptions.UndefinedError: 'dict object' has no attribute 'BED'

here is my Prusa Slicer start gcode:

M104 S0 ; Stops PS/SS from sending temp waits separately
M140 S0
PRINT_START BED=[first_layer_bed_temperature] HOTEND=[first_layer_temperature[initial_extruder]]

and her is my PRINT_START Macro:

[gcode_macro PRINT_START]
gcode:
    ADJUST_FILAMENT_SENSOR_STATUS ENABLE=1
    # Parameters
    {% set bedtemp = params.BED|int %}
    {% set hotendtemp = params.HOTEND|int %}
    {% set chambertemp = params.CHAMBER|default(0)|int %}
    
    # Other variables
    {% set bedtempSlicer = bedtemp %}
    {% set bedtempOver = printer["gcode_macro _globals"].bed_temp_over|default(0)|int %}
    {% set maxVelocity = printer.configfile.settings.printer.max_velocity|default(200)|int %}
    {% set maxVelocityAdjusted =  (0.90 * maxVelocity * 60)|int %}
    {% set kampEnabled=printer["gcode_macro _globals"].kamp_enable|default(0)|int %}

    {% if printer.configfile.settings.safe_z_home %}
        {% set startX = printer.configfile.settings.safe_z_home.home_xy_position[0]|float %}
        {% set startY = printer.configfile.settings.safe_z_home.home_xy_position[1]|float %}
    {% endif %}

    {% set bedtempAlmost = ((bedtemp - 2, 0, printer.heater_bed.temperature|int)|max, bedtemp)|max %}
    {% set hotendtempStepOne = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 150)|max %}
    {% set hotendtempStepTwo = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 170)|max %}

    # If bed-temp-almost is higher than bed-temp by a maximum of bed-temp-over
    {% if bedtempAlmost > bedtemp %}
        {% if (bedtempAlmost - bedtempOver) <= bedtemp %}
            {% set bedtemp = bedtempAlmost %}
        {% endif %}
    {% endif %}

    G90                                                  ; absolute positioning
    M140 S{bedtempAlmost}                                ; set & don't wait for bed temp
    M104 S{hotendtempStepOne}                            ; set & don't wait for hotend temp
    G28 X Y
    {% if printer.configfile.settings.safe_z_home %}
        G1 X{startX} Y{startY} F{maxVelocityAdjusted}
    {% endif %}

    M190 S{bedtempAlmost}                                ; set & wait for bed temp
    {% if kampEnabled == 0 %}
        M104 S{hotendtempStepTwo}                            ; set & don't wait for hotend temp
    {% endif %}
    M190 S{bedtemp}                                      ; set & wait for bed temp
    M140 S{bedtempSlicer}                                ; set & don't wait for bed temp ; set temp to sliced setting regardless

    {% if kampEnabled == 0 %}
        BED_MESH_PROFILE LOAD=default                        ; NOTE if not using a mesh, comment out this line
        M104 S{hotendtemp}                                   ; set & don't wait for hotend temp
        G28 Z                                                ; final z homing
    {% else %}
        G28 Z                                                ; final z homing
        BED_MESH_CALIBRATE                                   ; KAMP mesh
        Smart_Park
        M104 S{hotendtemp}                                   ; set & don't wait for hotend temp
    {% endif %}

    # G1 X5 Y0 F{maxVelocityAdjusted}                     ;keep tis here in case you remove the smart_park line
    M109 S{hotendtemp}                                   ; set & wait for hotend temp
    
    VORON_PURGE

    G1 Z20 F3000                                         ; move nozzle away from bed

G1 Z20 F3000 ; move nozzle away from bed

[boogietrain]

I had the same issue from the start. I resolved it by adjusting the variables in the PRINT_START macro as follows:

gcode_macro PRINT_START]
gcode:
ADJUST_FILAMENT_SENSOR_STATUS ENABLE=1
# Parameters
#{% set bedtemp = params.BED|int %}
#{% set hotendtemp = params.HOTEND|int %}
{% set chambertemp = params.CHAMBER|default(0)|int %}
{% set hotendtemp = params.HOTEND|default(210)|int %}
{% set bedtemp = params.BED|default(60)|int %}

[bassamanator]

This edit was completely unnecessary, and furthermore, you've hard-coded the hotend and bed temperatures. You likely skipped the adjust your slicer section.

[boogietrain]

Thank you for the correction. I was in fact using the wrong start gcode for my particular slicer - I didn't realize that Cura/prusa/Super slicer need different start gcode.

I undid my edits and it is working as expected now.

[bassamanator]

New Prusa Slicer Version is the only thing that changed

Probably need to adjust your slicer again, check that section.