Hydratec Inc.

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AutoCAD Based Piping (Ribbon/Toolbar/Location)

Button: Size Pipe Setup

Description:

When attempting to insert a pipe dimension you get the error "Invalid option keyword"



And the command prompt says "Enter an UNDO control option" with the dialog showing your choices

Solutions:

Cause:

Unknown but started happening after getting an Unhandled Exception error for an entirely different command

Solution:

Save the drawing, close the drawing and AutoCAD, then re-open Acad and your drawing.

Updated: Oct. 2, 2025, 11:57 a.m. Created: Oct. 2, 2025, 11:57 a.m.