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CAD tip # 4482:

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	CUI: MNU/MNS Conversion failed.
	Exception: System.NullReferenceException: Object reference not set to an instance of an object. (menu_yyparse) The converted menu file has probably wrong internal structure. E.g. the individual menu items may share non-unique ID/Names, missing Menugroup name, improperly used `<-` ... Fix your .mnu/.mns file and retry the conversion into CUI.

ACAD2006LT2006

* CAD

21.6.2005 12681×

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applies to: AutoCAD 2006 · AutoCAD LT 2006 ·

See also:
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Tip 10808:	How to make transparent icons for my CUI ribbon in AutoCAD 2017.
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Internal error: 2381 (or 2359) during installation. « | » The CUI file you are attempting to open is invalid.

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CAD tip # 4482:

CUI: MNU/MNS Conversion failed.