Issue
When you entered APPLOAD on the command line or clicked Tools menu > Load Application, the following error message was displayed:
Unknown Command
Solution
This error may occur if the program is not set to automatically load the ARX files it needs.
To change this setting
1.Click Tools menu > Options
2.Click the Open and Save tab.
3.Under ObjectARX Applications, change the setting Demand load ObjectARX Apps to Object Detect and Command Invoke.
4.Click Apply and then OK.