Hi,
Im running GRBL 1.1e and Im having this issue:
Starting stream
error:22
On or near line 4:
Stream completed in 0:00
ok
[MSG:Pgm End]
ok
Ive found the error on GitHub: error:22 Feed rate has not yet been set or is undefined.
How can I fix it? Any help appreciated . Thank you in advance
Save your file as Gcode, open it in Notepad, and copy the first 10 lines from the file here so I can see them?
; LightBurn 0.9.11
; GRBL-M3 (1.1e or earlier) device profile, absolute coords
G00 G17 G40 G21 G54
G90
M5
M9
G1S0
G90
; return to user-defined finish pos
G0 X0 Y0
M2
Its all of it. Later on I found out it only happens when scan angle is set to -180 degrees
That looks like your file is empty or your image is completely blank.
The ‘G1S0’ command is issued at the very end of a layer to set the power to zero. I’ve just run some tests and the scan angle has no effect.
Seems like it works with other images normally - no matter the scan angle. It must be a corrupt .png file?
I have no idea - I can’t see it from here. 
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