Issue:

When appending any Inventor file IPT or IAM in Navisworks, the following message is displayed:

Autodesk Navisworks Manage or Simulate <version>

Can't load <file name> because of an internal error

<file_path>\<file_name>

Screen of the Navisworks message about internal error when loading file.

Navisworks log contains the following or similar lines:

Progress Error: (5) Can't load Inventor_File.ipt because of an internal error
eWARNING: LcOpKernel, "LcOpKernel::LoadScene: Failed to load file. Status: 5, Filename: C:\Autodesk\File_Path\Inventor_File.ipt"

SceneConvertServer log file contains the following entry:

HIVE exception in FindEngineInformation(). Error code: 82

The NWC file is not created.

Causes:

Default File Reader Options for Inventor not set.

Corrupted or outdated ODIS (On Demand Installation Service).

Solution:

In Navisworks options, Ensure Inventor Options are set to default:

Navisworks Options Inventor

To reinstall ODIS:

Go to: C:\Program Files\Autodesk\AdODIS\V1
Right-click on RemoveODIS and select Run as Administrator.

Install ODIS by following the article: How to silently install Autodesk AdODIS installer.

Note: ODIS should also be reinstalled when most Autodesk programs are installed.

See Also:

"Can't load because of an internal error" when trying to open a supported file type in Navisworks
"Can't load because of an internal error" occurs when opening any Inventor file in Navisworks
No plugin exists that will open xx.dwg in Navisworks
"Can't load [File Name].iam because of an internal error" while loading Inventor Assembly to Navisworks
"Can't load (file name) because of an internal error" when opening Inventor assembly in Navisworks Manage

Products:

Inventor; Inventor Professional; Navisworks Manage; Navisworks Simulate;