I am getting the error “GRBL error: G-code words consists of a letter and a value. Letter was not found” randomly throughout the execution. I am running a shapeoko 3. I generated the g-code using fusion 360 and the g-code at the lines it errors on look fine (they look like all the lines around them). Sometimes it happens in the first couple lines, other times it nearly finishes and then errors. I can sometimes pause it and press start and it will pick back up where it left off but most of the time it goes back into the cut and just sits there.
Can you share your gcode?
What post processor are you using?
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