Warning messages are displayed when potential problems are identified while compiling an application. 
Note: The Visual LISP IDE is available on Windows only. 
When a warning message is displayed, you can view the source code associated with the message. 
Do one of the following to evaluate source code associated that caused the warning message: 
- Right-click on a warning message and click one of the options available on the shortcut menu. 
 
- Double-click on the highlighted warning message to display the associated source code. 
 
- Press F11 or Shift+F11 to step through all source code files that caused warning messages.