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

Button: S3D - Raise to 3D Error Type: Error during load

Description:

When raising to 3D, you get the error message, "Error loading the Error GUI has occurred.  How ironic."


The drawing will raise to 3D, but you won't see the error dialog window.

Trying the Show Model Errors command (SME) produces the same error

Solutions:

Cause:

AutoCAD 2026 was updated from 2026.1.1 to 2026.1.2
Solution:

What not to do?

 

  • Do not update or install to 2026.1.2 if possible
  • 2025 will be affected mid-September by the same programming change

 

What to do?

 

  • Install and use 2024 as that will not be affected and it is the most solid version
  • Install HydraCAD v57.08 and update to v57.09

OR

  • Uninstall AutoCAD 2026 only (no need to uninstall HydraCAD)
  • Go to the START menu, run the file "Configure AutoCAD for HydraCAD v58"



This does NOT work:

Autodesk says they provide an option to download the original/pre-updated version.  

1. Select 'Specific Version'



After installing "the old" version, upon opening AutoCAD, it still showed 2026.1.2

Thanks for trying Vasyl D
Updated: Aug. 19, 2026, 3:58 p.m. Created: Aug. 19, 2026, 3:55 p.m.