Software Development Kit Unhandled Exception Error

Good day! I am trying to access the Software Development Kit (SDK) command with the use of inventor of type 64 bit where Unhandled Exception error message is being occurred.
Any solution will be helpful.
Thank you.

Variable pitch thread
Unhandled exception has occurred in a component in your application. If you click Continue, the application will ignore this error and attempt to continue.
Object reference not set to an instance of an object.
