Before running your program, save all the files you changed, if you have not already done so. You can choose File Save All from the VLISP menu, or use the ALT + SHIFT + S keyboard shortcut to save all your open files.
The next thing you must do is reload all the files in VLISP.
To load and run all the files in your application
list command to determine whether or not your program is drawing the correct entity types.
Also, try drawing the path using both lightweight and old-style polylines. After drawing the paths, use the AutoCAD