Machsupport Forum
Mach Discussion => Mach4 General Discussion => Topic started by: cd_edwards on November 10, 2025, 06:25:23 PM
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Lua: Error while running chunk
C:\Mach4Industrial\ScreenScript.lua:1380: attempt to index a nil value (global 'prb')
stack traceback:
C:\Mach4Industrial\ScreenScript.lua:1380: in function 'btnSurfXHelp_Clicked_Script'
No error's when loading. just when you attempt to ask for help.
and if you attempt to probe
ESS: Mach4 Enabled
ERROR: Invalid probing G code