AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

Active Contributor
Posts: 46
Registered: ‎05-19-2010
Message 1 of 2 (321 Views)

Importing Watershed Data from AutoCAD Civil3d2012 into HydroCAD V.10.00

321 Views, 1 Replies
07-09-2012 05:00 PM

When trying to import autocad watershed data (polylines) from Civil3d2012 into HydroCAD v.10.00, I get the following error:


HydroCAD 10.00-5 s/n 03026

Error 183:  AutoCAD version mismatch

AutoCAD.Application has invalid class System.__ComObject

Unable to cast COM object of type 'System.__ComObject' to interface type 'Autodesk.AutoCAD.Interop.AcadApplication'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{84F323FC-C179-4704-87E7-E3D576C2599E}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))

While Opening CAD Import Demo #1.dwg


I have only one version of Civil3d running (2012), and I have the latest SP (2) installed.  Is this a COM vs NET issue?  I have tried the HydroCAD support, but they say it is an ongoing interop file issue. 

Posts: 4
Registered: ‎10-23-2007
Message 2 of 2 (99 Views)

Re: Importing Watershed Data from AutoCAD Civil3d2012 into HydroCAD V.10.00

04-14-2014 08:42 PM in reply to: jgotsis

This has been fixed in the latest HydroCAD-10 build 12, which is available using your previous HydroCAD-10 download details.


The lastest build supports AutoCAD 2008-2015, 32 and 64 bit.


Post to the Community

Have questions about Autodesk products? Ask the community.

New Post
Need installation help?

Start with some of our most frequented solutions or visit the Installation and Licensing Forum to get help installing your software.