Upgrade to 0.70 - Communication Errors?

I have just updated my Repetier Server from version 0.65 to 0.70. Now I can't print anymore. If I start a print, it first kind of works, but after the initial heating the printer makes some moves and does extrude a relative big amount of filament. After round about 3o seconds the printer stops. The 3d-object is not finished, but the web-interface shows, that the print was finished.
I use the Marlin firmware. The baud-rate seems good, because I'm able to move the printer and retrieve information with the M501 command in the console. I restarted the Repetier Server and the pc serveral times. No effects. Printing with the Repetier Host works still just fine.

The error in the log-file starts like this:

< 19:50:13.935: N174 G0 F9000 X-3.048 Y-3.643
< 19:50:13.936: N175 G1 F2700 E4.84506
> 19:50:13.936: ok
> 19:50:13.939: Error:checksum mismatch, Last Line: 161
< 19:50:13.942: Resend: G1 X14.200 Y10.723 E1.71181
> 19:50:13.942: Resend: 162
< 19:50:13.942: Resend: G1 X-14.200 Y10.723 E3.12869
< 19:50:13.943: Resend: G1 X-14.200 Y-3.427 E3.83464
> 19:50:13.943: ok
< 19:50:13.944: Resend: G1 X-10.801 Y-3.427 E4.00421
< 19:50:13.944: Resend: G1 X-10.519 Y-4.356 E4.05265
> 19:50:13.944: ok
> 19:50:13.947: Error:Line Number is not Last Line Number+1, Last Line: 161
> 19:50:13.948: Resend: 162
< 19:50:13.948: Resend: G1 X-9.995 Y-5.555 E4.11793
< 19:50:13.948: Resend: G1 X-9.334 Y-6.686 E4.18329
> 19:50:13.948: ok
> 19:50:13.951: Error:No Line Number with checksum, Last Line: 161
< 19:50:13.955: Resend: G1 X-8.540 Y-7.742 E4.24920
< 19:50:13.955: Resend: G1 X-7.621 Y-8.699 E4.31540
> 19:50:13.956: ok
> 19:50:13.956: Error:Line Number is not Last Line Number+1, Last Line: 161

What can I do to make the Repetier Server print as perfect as before?
Which change of the server software could cause this?

Comments

  • 2 Quick question for better analysis and undersdtanding the problem.
    1. Which marlin version did you use.
    2. Do you have a few more lines especialy from sending line 150 downwards so I can see how the problem evolves. It looks a bit like marlin does not like the resend response so I need to know which lines server is really sending. Will then make an emergency update 0.70.1 when I have found the source.
  • 1. I'm currently using the Marlin version 1.0.2-1 with a baudrate of 230400.
    2. Here is another part of the log-file:

    < 19:50:13.898: N148 M105
    < 19:50:13.899: N149 G92 E0        ;zero the extruded length
    > 19:50:13.899: ok
    < 19:50:13.899: N150 G1 F200 E5    ;extrude 5mm of feed stock
    < 19:50:13.900: N151 G92 E0        ;zero the extruded length again
    > 19:50:13.900: ok
    < 19:50:13.902: N152 M107
    > 19:50:13.902: ok
    < 19:50:13.903: N153 G0 F9000 X0.017 Y-10.960 Z0.300
    > 19:50:13.903: ok
    < 19:50:13.906: N154 G1 F720 X1.863 Y-13.422 E0.15352
    < 19:50:13.907: N155 G1 X7.599 Y-8.718 E0.52362
    > 19:50:13.907: ok T:209.0 /210.0 B:0.0 /0.0 T0:209.0 /210.0 @:42 B@:0
    < 19:50:13.910: N156 G1 X8.515 Y-7.768 E0.58946
    < 19:50:13.910: N157 G1 X9.311 Y-6.718 E0.65519
    > 19:50:13.911: ok
    < 19:50:13.911: N158 G1 X9.980 Y-5.584 E0.72088
    < 19:50:13.911: N159 G1 X10.513 Y-4.369 E0.78707
    > 19:50:13.912: ok
    < 19:50:13.914: N160 G1 X10.799 Y-3.427 E0.83619
    < 19:50:13.914: N161 G1 X14.200 Y-3.427 E1.00586
    > 19:50:13.915: ok
    < 19:50:13.915: N162 G1 X14.200 Y10.723 E1.71181
    < 19:50:13.916: N163 G1 X-14.200 Y10.723 E3.12869
    > 19:50:13.916: ok
    < 19:50:13.918: N164 G1 X-14.200 Y-3.427 E3.83464
    < 19:50:13.918: N165 G1 X-10.801 Y-3.427 E4.00421
    > 19:50:13.919: ok
    < 19:50:13.922: N166 G1 X-10.519 Y-4.356 E4.05265
    < 19:50:13.922: N167 G1 X-9.995 Y-5.555 E4.11793
    > 19:50:13.923: ok
    < 19:50:13.926: N168 G1 X-9.334 Y-6.686 E4.18329
    < 19:50:13.926: N169 G1 X-8.540 Y-7.742 E4.24920
    > 19:50:13.927: ok
    < 19:50:13.930: N170 G1 X-7.621 Y-8.699 E4.31540
    < 19:50:13.930: N171 G1 X-1.823 Y-13.467 E4.68991
    > 19:50:13.931: ok
    < 19:50:13.934: N172 G1 X0.017 Y-10.960 E4.84506
    < 19:50:13.934: N173 G1 F2700 E0.34506
    > 19:50:13.935: ok
    < 19:50:13.935: N174 G0 F9000 X-3.048 Y-3.643
    < 19:50:13.936: N175 G1 F2700 E4.84506
    > 19:50:13.936: ok
    > 19:50:13.939: Error:checksum mismatch, Last Line: 161

    I just also noted this part (some kind of reset):

    > 19:50:17.132: Error:Line Number is not Last Line Number+1, Last Line: 161
    > 19:50:17.133: Resend: 162
    < 19:50:17.134: N835 G1 F1260 X-2.247 Y3.096 E35.14563
    < 19:50:17.134: N836 G0 F9000 X-3.500 Y3.783
    > 19:50:17.134: ok
    > 19:50:17.144: Error:Line Number is not Last Line Number+1, Last Line: 161
    < 19:50:17.145: M110 N0
    < 19:50:17.147: N1 G1 F1260 X-2.575 Y2.858 E35.22177
    > 19:50:17.148: Resend: 162
    < 19:50:17.148: N2 G0 F9000 X-4.065 Y3.783
    > 19:50:17.149: ok
    < 19:50:17.152: N3 G1 F1260 X-3.795 Y3.512 E35.24404
    < 19:50:17.153: N4 G0 F9000 X-4.631 Y3.783
    > 19:50:17.153: ok
    < 19:50:17.160: N5 G1 F1260 X-4.531 Y3.647 E35.26642
    < 19:50:17.161: N6 G1 X-5.084 Y3.647 E35.28854
    > 19:50:17.161: ok
    < 19:50:17.164: N7 G1 X-4.926 Y3.512 E35.30064
    < 19:50:17.165: N8 G0 F9000 X-5.762 Y3.783
    > 19:50:17.165: ok
    < 19:50:17.169: N9 G1 F1260 X-5.492 Y3.512 E35.32291
    < 19:50:17.170: N10 G0 F9000 X-6.328 Y3.783
    > 19:50:17.170: ok
    < 19:50:17.177: N11 G1 F1260 X-6.334 Y3.647 E35.34521
    < 19:50:17.178: N12 G1 X-6.617 Y3.647 E35.36749
    > 19:50:17.178: ok
    < 19:50:17.179: N13 G1 X-6.941 Y3.547 E35.38974
    < 19:50:17.179: N14 G1 X-7.189 Y3.512 E35.40432
    > 19:50:17.180: ok
    < 19:50:17.181: N15 G0 F9000 X-7.400 Y3.923 Z1.700
    < 19:50:17.182: N16 G1 F1740 X-7.400 Y3.373 E35.43633
    > 19:50:17.182: ok
    < 19:50:18.394: N17 M105
    < 19:50:18.394: N18 G1 X-3.428 Y3.373 E35.66753
    > 19:50:18.395: ok
    < 19:50:18.397: N19 G1 X-3.097 Y2.707 E35.71081
    < 19:50:18.397: N20 G1 X-3.654 Y1.972 E35.76449
    > 19:50:18.398: ok
    < 19:50:19.426: N21 M105
    < 19:50:19.427: N22 G1 X-3.920 Y1.519 E35.79507
    > 19:50:19.427: ok
    > 19:50:19.429: Error:checksum mismatch, Last Line: 12
    < 19:50:19.432: Resend: G1 X-6.941 Y3.547 E35.38974
    > 19:50:19.432: Resend: 13
    < 19:50:19.432: Resend: G1 X-7.189 Y3.512 E35.40432
    < 19:50:19.433: Resend: G0 F9000 X-7.400 Y3.923 Z1.700
    > 19:50:19.433: ok
    < 19:50:19.736: Resend: G1 F1740 X-7.400 Y3.373 E35.43633
    < 19:50:19.736: Resend: M105
    > 19:50:19.737: ok
    < 19:50:19.737: Resend: G1 X-3.428 Y3.373 E35.66753
    > 19:50:19.740: Error:Line Number is not Last Line Number+1, Last Line: 12
    > 19:50:19.740: Resend: 13
    < 19:50:19.741: Resend: G1 X-3.097 Y2.707 E35.71081
    > 19:50:19.741: ok
    > 19:50:19.745: Error:Line Number is not Last Line Number+1, Last Line: 12
    > 19:50:19.745: Resend: 13
    < 19:50:19.746: Resend: G1 X-3.654 Y1.972 E35.76449
    < 19:50:19.746: Resend: M105
    > 19:50:19.746: ok
    < 19:50:19.746: Resend: G1 X-3.920 Y1.519 E35.79507
    > 19:50:19.749: Error:No Line Number with checksum, Last Line: 12
    > 19:50:19.757: Error:Line Number is not Last Line Number+1, Last Line: 12

    This line-reset happens a few more times.
  • We have found the problem and fixed it in 0.70.1. At least we could not produce it any more after the fix. So please upgrade and it should work now.
  • Thank you. I updated and it works fine again.
  • So, the change from 0.70 to 0.70.1 resulted in "At least we could not produce it any more" ... I'm the square peg as I just hit this problem with 0.70.1

    To be a bit more  specific, I've installed 0.70.1 on a BeagleBone Black. It is connected to a KosselXL running Marlin 1.0.0 (?)

    I had a few successful runs which I stopped before they finished because of bed adhesion issues.

    After that, I was never able to get it to work. It would heat the bed, then the extruder, then "home", then auto-level / z-probe. Then it would send the first (1 to 3) real commands and barf.

    This is the console output immediate after the bed leveling messages:

    15:08:37.-501: N850 M105
    15:08:37.-499: N851 G92 E0
    15:08:38.-751: N852 M105
    15:08:38.-749: N853 M106
    15:08:38.-737: echo:Active Extruder: 0
    15:08:38.-736: N854 G1 X28.5 Y4.07 Z2.25 E0 F30000
    15:08:38.-729: N855 G1 X28.5 Y4.07 Z0.25 E0 F600
    15:08:38.-727: Error:No Line Number with checksum, Last Line: 851
    15:08:38.-725: Error:Line Number is not Last Line Number+1, Last Line: 851
    15:08:38.-718: Resend: N852 M105
    15:08:38.-717: Resend: N853 M106
    15:08:38.-717: Resend: 852
    15:08:38.-716: Resend: N854 G1 X28.5 Y4.07 Z2.25 E0 F30000
    15:08:38.-715: Resend: N855 G1 X28.5 Y4.07 Z0.25 E0 F600
    15:08:38.-714: N856 G1 E1.5 F1200
    15:08:38.-713: echo:Unknown command: "127"
    15:08:38.-711: Error:Line Number is not Last Line Number+1, Last Line: 851

    I can run the exact same gcode file with repetier-host without any problems.
  • How does it continue? Looks like server send N852 M105 and got "127".

    Does it always happen on first error?
  • I am also experiencing this problem intermittantly on 0.70.1 on RasPi.  It worked fine before on 0.70.1 but recent prints have intermittant pausing - on further investigation I am getting communications errors.

    8:23:48.380: N44721 G1 X103.983 Y151.789 E0.6145
    8:23:48.380: ok
    8:23:48.392: N44722 G1 X104.224 Y148.083 E0.7257
    8:23:48.393: ok
    8:23:48.393: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.497: Resend: N44719 G1 X103.789 Y156.461 E0.4746
    8:23:48.498: Resend: 44719
    8:23:48.498: Resend: N44720 G1 X103.873 Y154.008 E0.5480
    8:23:48.499: ok
    8:23:48.506: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.507: Resend: 44719
    8:23:48.510: Resend: N44721 G1 X103.983 Y151.789 E0.6145
    8:23:48.511: ok
    8:23:48.511: Error:No Line Number with checksum, Last Line: 44718
    8:23:48.518: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.519: Resend: 44719
    8:23:48.519: Resend: N44722 G1 X104.224 Y148.083 E0.7257
    8:23:48.519: ok
    8:23:48.526: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.526: Resend: 44719
    8:23:48.530: N44723 G1 X104.545 Y144.122 E0.8447
    8:23:48.530: ok
    8:23:48.539: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.540: Resend: 44719
    8:23:48.540: N44724 G1 X104.911 Y140.246 E0.9612
    8:23:48.541: ok
    8:23:48.551: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.552: Resend: 44719
    8:23:48.552: N44725 G1 X105.296 Y136.587 E1.0713
    8:23:48.553: ok
    8:23:48.563: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.563: Resend: 44719
    8:23:48.564: N44726 G1 X105.742 Y132.697 E1.1886
    8:23:48.564: ok
    8:23:48.572: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.573: Resend: 44719
    8:23:48.573: N44727 G1 X106.192 Y129.033 E1.2991
    8:23:48.574: ok
    8:23:48.703: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.706: Resend: 44719
    8:23:48.707: N44728 G1 X106.704 Y125.132 E1.4168
    8:23:48.707: ok
    8:23:48.715: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.716: Resend: 44719
    8:23:48.716: N44729 G1 X107.145 Y121.940 E1.5133
    8:23:48.717: ok
    8:23:48.727: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.728: Resend: 44719
    8:23:48.728: N44730 G1 X107.521 Y119.268 E1.5941
    8:23:48.729: ok
    8:23:48.735: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.739: Resend: 44719
    8:23:48.740: N44731 G1 X122.473 Y119.268 E2.0416
    8:23:48.740: ok
    8:23:48.748: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.749: Resend: 44719
    8:23:48.749: N44732 G1 X122.851 Y121.911 E2.1216
    8:23:48.750: ok
    8:23:48.760: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.760: Resend: 44719
    8:23:48.761: N44733 G1 X123.608 Y127.485 E2.2899
    8:23:48.762: ok
    8:23:48.768: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.772: Resend: 44719
    8:23:48.773: N44734 G1 X124.401 Y133.910 E2.4837
    8:23:48.773: ok
    8:23:48.781: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.781: Resend: 44719
    8:23:48.782: N44735 G1 X124.636 Y135.970 E2.5458
    8:23:48.782: ok
    8:23:48.793: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.793: Resend: 44719
    8:23:48.794: N44736 G1 X125.096 Y140.319 E2.6767
    8:23:48.794: ok
    8:23:48.801: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.805: Resend: 44719
    8:23:48.805: N44737 G1 X125.526 Y144.940 E2.8156
    8:23:48.806: ok
    8:23:48.814: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.815: Resend: 44719
    8:23:48.815: N44738 G1 X125.715 Y147.273 E2.8857
    8:23:48.816: ok
    8:23:48.825: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.826: Resend: 44719
    8:23:48.826: N44739 G1 X125.898 Y149.852 E2.9631
    8:23:48.827: ok
    8:23:48.833: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.837: Resend: 44719
    8:23:48.838: N44740 G1 X126.103 Y153.472 E3.0716
    8:23:48.838: ok
    8:23:48.847: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.847: Resend: 44719
    8:23:48.847: N44741 G1 X126.200 Y156.032 E3.1483
    8:23:48.848: ok
    8:23:48.858: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.859: Resend: 44719
    8:23:48.859: N44742 G1 X126.248 Y158.540 E3.2234
    8:23:48.860: ok
    8:23:48.870: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.871: Resend: 44719
    8:23:48.871: N44743 G1 X126.241 Y160.943 E3.2953
    8:23:48.872: ok
    8:23:48.879: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.883: Resend: 44719
    8:23:48.884: N44744 G1 X126.167 Y163.398 E3.3688
    8:23:48.884: ok
    8:23:48.895: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.895: Resend: 44719
    8:23:48.896: N44745 G1 X126.101 Y164.585 E3.4044
    8:23:48.896: ok
    8:23:48.904: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.907: Resend: 44719
    8:23:48.907: N44746 G1 X126.011 Y165.773 E3.4401
    8:23:48.908: ok
    8:23:48.916: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.916: Resend: 44719
    8:23:48.917: N44747 G1 X125.896 Y166.948 E3.4754
    8:23:48.918: ok
    8:23:48.928: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.928: Resend: 44719
    8:23:48.929: N44748 G1 X125.667 Y168.708 E3.5286
    8:23:48.929: ok
    8:23:48.937: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.940: Resend: 44719
    8:23:48.940: N44749 G1 X125.471 Y169.858 E3.5635
    8:23:48.941: ok
    8:23:48.949: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.949: Resend: 44719
    8:23:48.950: N44750 G1 X125.215 Y171.083 E3.6009
    8:23:48.950: ok
    8:23:48.956: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.960: Resend: 44719
    8:23:48.961: N44751 G1 X125.080 Y171.637 E3.6180
    8:23:48.961: ok
    8:23:48.970: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.970: Resend: 44719
    8:23:48.971: N44752 G1 X124.839 Y172.509 E3.6451
    8:23:48.972: ok
    8:23:48.981: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.982: Resend: 44719
    8:23:48.982: N44753 G1 X124.561 Y173.372 E3.6722
    8:23:48.983: ok
    8:23:48.989: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:48.993: Resend: 44719
    8:23:48.994: N44754 G1 X124.413 Y173.781 E3.6852
    8:23:48.995: ok
    8:23:49.002: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.005: Resend: 44719
    8:23:49.006: N44755 G1 X124.070 Y174.622 E3.7124
    8:23:49.006: ok
    8:23:49.014: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.015: Resend: 44719
    8:23:49.015: N44756 G1 X123.674 Y175.451 E3.7399
    8:23:49.015: ok
    8:23:49.022: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.026: Resend: 44719
    8:23:49.026: N44757 G1 X123.467 Y175.831 E3.7529
    8:23:49.027: ok
    8:23:49.036: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.036: Resend: 44719
    8:23:49.038: N44758 G1 X122.978 Y176.621 E3.7807
    8:23:49.038: ok
    8:23:49.047: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.048: Resend: 44719
    8:23:49.051: N44759 G1 X122.688 Y177.029 E3.7957
    8:23:49.052: ok
    8:23:49.059: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.059: Resend: 44719
    8:23:49.060: N44760 G1 X122.411 Y177.382 E3.8091
    8:23:49.060: ok
    8:23:49.068: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.071: Resend: 44719
    8:23:49.071: N44761 G1 X122.117 Y177.722 E3.8226
    8:23:49.072: ok
    8:23:49.080: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.080: Resend: 44719
    8:23:49.081: N44762 G1 X121.770 Y178.083 E3.8375
    8:23:49.082: ok
    8:23:49.092: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.092: Resend: 44719
    8:23:49.093: N44763 G1 X121.231 Y178.570 E3.8593
    8:23:49.093: ok
    8:23:49.101: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.104: Resend: 44719
    8:23:49.104: N44764 G1 X120.880 Y178.848 E3.8727
    8:23:49.105: ok
    8:23:49.113: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.113: Resend: 44719
    8:23:49.113: N44765 G1 X120.467 Y179.137 E3.8878
    8:23:49.114: ok
    8:23:49.120: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.124: Resend: 44719
    8:23:49.125: N44766 G1 X119.845 Y179.510 E3.9095
    8:23:49.125: ok
    8:23:49.132: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.133: Resend: 44719
    8:23:49.134: N44767 G1 X119.452 Y179.711 E3.9227
    8:23:49.134: ok
    8:23:49.141: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.144: Resend: 44719
    8:23:49.145: N44768 G1 X119.037 Y179.896 E3.9363
    8:23:49.145: ok
    8:23:49.154: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.154: Resend: 44719
    8:23:49.154: N44769 G1 X118.560 Y180.081 E3.9516
    8:23:49.155: ok
    8:23:49.161: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.165: Resend: 44719
    8:23:49.166: N44770 G1 X118.131 Y180.223 E3.9652
    8:23:49.166: ok
    8:23:49.173: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.174: Resend: 44719
    8:23:49.174: N44771 G1 X117.695 Y180.346 E3.9787
    8:23:49.175: ok
    8:23:49.182: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.186: Resend: 44719
    8:23:49.187: N44772 G1 X117.256 Y180.450 E3.9922
    8:23:49.187: ok
    8:23:49.194: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.198: Resend: 44719
    8:23:49.199: N44773 G1 X116.750 Y180.548 E4.0077
    8:23:49.200: ok
    8:23:49.207: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.210: Resend: 44719
    8:23:49.211: N44774 G1 X116.304 Y180.617 E4.0212
    8:23:49.211: ok
    8:23:49.219: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.220: Resend: 44719
    8:23:49.220: N44775 G1 X115.863 Y180.668 E4.0345
    8:23:49.220: ok
    8:23:49.227: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.231: Resend: 44719
    8:23:49.231: N44776 G1 X115.003 Y180.728 E4.0603
    8:23:49.232: ok
    8:23:49.239: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.243: Resend: 44719
    8:23:49.243: N44777 G1 X113.979 Y180.651 E4.0910
    8:23:49.244: ok
    8:23:49.252: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.252: Resend: 44719
    8:23:49.253: N44778 G1 X113.336 Y180.563 E4.1104
    8:23:49.253: ok
    8:23:49.260: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.264: Resend: 44719
    8:23:49.264: N44779 G1 X112.996 Y180.502 E4.1208
    8:23:49.265: ok
    8:23:49.272: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.272: Resend: 44719
    8:23:49.273: N44780 G1 X112.656 Y180.431 E4.1312
    8:23:49.274: ok
    8:23:49.284: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.285: Resend: 44719
    8:23:49.286: N44781 G1 X111.988 Y180.258 E4.1518
    8:23:49.286: ok
    8:23:49.293: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.297: Resend: 44719
    8:23:49.297: N44782 G1 X111.366 Y180.054 E4.1714
    8:23:49.298: ok
    8:23:49.305: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.305: Resend: 44719
    8:23:49.309: N44783 G1 X110.813 Y179.832 E4.1893
    8:23:49.309: ok
    8:23:49.318: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.318: Resend: 44719
    8:23:49.319: N44784 G1 X110.209 Y179.539 E4.2093
    8:23:49.319: ok
    8:23:49.330: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.330: Resend: 44719
    8:23:49.331: N44785 G1 X109.934 Y179.387 E4.2188
    8:23:49.331: ok
    8:23:49.337: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.341: Resend: 44719
    8:23:49.342: N44786 G1 X109.650 Y179.214 E4.2287
    8:23:49.343: ok
    8:23:49.350: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.351: Resend: 44719
    8:23:49.351: N44787 G1 X109.080 Y178.819 E4.2495
    8:23:49.352: ok
    8:23:49.358: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.362: Resend: 44719
    8:23:49.363: N44788 G1 X108.834 Y178.626 E4.2588
    8:23:49.363: ok
    8:23:49.371: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.372: Resend: 44719
    8:23:49.373: N44789 G1 X108.312 Y178.164 E4.2797
    8:23:49.373: ok
    8:23:49.383: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.383: Resend: 44719
    8:23:49.384: N44790 M105
    8:23:49.384: ok
    8:23:49.384: N44791 G1 X108.091 Y177.945 E4.2890
    8:23:49.391: Error:Line Number is not Last Line Number+1, Last Line: 44718
    8:23:49.391: Resend: 44719
    8:23:49.392: ok

    this is just a snippet - you will probably want more log I imagine.  I have recently started playing with the timelapse function and inserting M400 ; M105 ; ... between each layer - I don't know if this has anything to do with it.
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