HydraCARDs | Check Elevation Command > after picking a point Internal error !dbobji.cpp@6861:eNotOpenForWrite and Autocad closes

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AutoCAD Based 3D Modeling (Ribbon/Toolbar/Location)

Button: Check Elevation

Description:

Check Elevation Command > after picking a point

Internal error !dbobji.cpp@6861:eNotOpenForWrite

and Autocad closes

Cause:

Bad structural defline, or floor elevation defline, or drop/spring defline

Solution:

This is a trial & error solution, erase and reinsert deflines until the problem goes away.

Updated: April 13, 2026, 3:05 p.m. Created: March 1, 2019, midnight