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Revit Based HydraLIST (Ribbon/Toolbar/Location)

Button: Auto Stocklist Error Type: Autolist – Error

Description:

Could not find file, or Unrecognized database format 'C:\HES\HydraCAD\Ver50\AutoListElements\Data\Setup\mdbtrans.mdb'



Solutions:

Cause:

The mdbtrans.mdb file located in <install-drive-letter>\HES\HydraCAD\Ver50\AutoListElements\Data\Setup is either missing or corrupted.

Note: Replace <install-drive-letter> with the drive your Hydratec for Revit software is installed on, typically C:\
Solution:

If you have a corrupt mdbtrans.mdb file:

  1. Navigate to its file path <install-drive-letter>:\HES\HydraCAD\Ver50\AutoListElements\Data\Setup\mdbtrans.mdb and delete the file.
  2. After it's deleted, inside Revit, press the Setup button from the HydraLIST Ribbon
  3. You should now see this message:
  4. Click OK. The 'New Process Database Available!' button should appear in the top left, right beside the Setup button
  5. Press that button and it will install the most up-to-date version of the mdbtrans.mdb file


If you have a missing mdbtrans.mdb file:

  1. Follow the same instructions above, but skip to Step #2.
Updated: Oct. 9, 2025, 12:15 a.m. Created: Oct. 8, 2025, 11:18 p.m.