CAD Forum discussion (EN) : Autolisp error message

CAD Forum discussion (EN) : Autolisp error message https://www.cadforum.cz/forum_en/ Tue, 21 Apr 2026 10:06:49 +0000 Wed, 03 Feb 2016 19:09:22 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://www.cadforum.cz/forum_en/RSS_post_feed.asp?TID=11624 <![CDATA[CAD Forum discussion (EN)]]> https://www.cadforum.cz/forum_en/forum_images/web_wiz_forums.png https://www.cadforum.cz/forum_en/ <![CDATA[Autolisp error message : I am getting an error message...]]> https://www.cadforum.cz/forum_en/forum_posts.asp?TID=11624&PID=31272&title=autolisp-error-message#31272 Author: Cadman2014
Subject: 11624
Posted: 03.Feb.2016 at 19:09

I am getting an error message on a routine I am writing can anyone tell me where I am going wrong?

(defun c:STUD16 ( )

(setq PT1 (getpoint "\nPick start of wall....."))

(setq EPT (getpoint "\nPick end of wall.....")) I get error: bad argument type: 2D/3D point: nil here

(setq Wallth (distance spt ept));length of wall

(setq Ceilinghgt 96.0)

(setq UnflrBeamhgt (+ Ceilinghgt 0.5));Gyproc thickness 0.5 off floor.

(setq Width 3.5)

I have tried localised variables and unlocalised still same error message?

If I replace the "getpoint" functions with actual start point (0,0,0) the program works fine.

Thanks

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