@mfs12 We have just uploaded 3.1.1. and 1.24 and this still seems to work without any errors. to reproduce we just turn the machine on, please see our config below:

;T3D v2.5.1.1

M111 S0

M550 PTractus3D T3000 ;DO NOT CHANGE - NEEDED FOR PROCESSES

M540 P0x02:0x80:0xC2:0x02:0x00:0xFF

M575 P1 B57600 S1

M98 P"_UserSettings.g"

M552 S1

M555 P1

G21

G90

M83

M569 P0 S0 ;E0

M569 P1 S0 ;E1

M569 P4 S0 ;Y

M569 P2 S0 ;X

M569 P3 S0 ;Z

M584 X2 Y4 Z3 E0

M92 X80 Y80 Z80

M92 E290

M906 X1700 Y1700 Z1700 E1100 I40

M201 X1000 Y1000 Z1000 E6000

M204 P500 T1000

M203 X18000 Y18000 Z18000 E18000

M566 X300 Y300 Z300 E600

M665 R494.50 L1063 B500 H1660 X0 Y0 Z0

M666 X0 Y0 Z0 A0 B0

M574 X2 S1 P"xstop"

M574 Y2 S1 P"ystop"

M574 Z2 S1 P"zstop"

M308 S0 A"Bed" Y"thermistor" P"bedtemp" T100000 B4400 R4700

M308 S1 A"Hotend 1" P"e0temp" Y"thermistor" T100000 B4725 C7.06e-8

M950 H0 C"bedheat" T0

M308 S6 A"MCU" Y"mcu-temp"

M950 P0 C"exp.heater3"

M950 H1 C"e0_heat" T1

M950 F0 C"fan0"

M950 F1 C"fan1"

M950 F2 C"fan2" Q1000

M950 J1 C"e1stop"

M950 J2 C"exp.e2stop"

M201 X1000 Y1000 Z1000 E4000

M204 P1000 T1000

M566 X500 Y500 Z500 E1200

M106 P0 S0 H-1 C"Part cooling"

M106 P1 T50 H1 S255

M106 P2 T40:60 H2 L0.50 X1.0

M570 H0 P20 T20

M570 H1 P15 T20

M563 P0 D0 H1 F0 S"Hotend 1"

G10 P0 S0 R0

M140 H0

M307 H0 A119.9 C608.9 D1.4 S1.00 B1

M307 H1 A340.0 C140.0 D5.5 S1.00 V0.0 B0

M558 P5 C"e0stop" X0 Y0 Z0 F100 T10000

G31 X0 Y0 Z16.25 P500

M557 R400 S40

M208 S1 Z-0.5

M911 S20.5 R22.0 P"G91 M83 G1 Z3 E-3 F3000 M929 S0"

M579 X0.9926 Y0.9980

M912 P0 S2

M143 H0 P0 S110 A2

M143 H0 P1 S130 A0

M143 H1 P0 S300 A2

M143 H1 P1 S320 A0

M42 P0 S255

M42 P1 S255

M581 P1 T1 S1 R1

G28