You can run on the 2004 version of the CAD, but not in the 2018 version, is why?

Traceback (the most recent call last) :
File "tkinter \ set py", line 1883, in __call__
File "test. Py, 58, the line drawing in
The File "pyexcel. Py", line 1058, in main2
The File "pyexcel. Py", line 1023, in the main
The File "pyexcel. Py", line 520, drawing in
The File "autoacad2. Py", line 144, in drawingmain
File "autoacad2. Py, line 55, in dim_lenthatbottom
The File "site - packages \ comtypes \ client \ lazybind py", line 182, caller in
The File "site - packages \ comtypes \ automation py", line 728, in the _invoke
_ctypes. COMError: (- 2147352567, 'accident,' (' primary key 'was not found,' AutoCAD. Application ', 'D: \ \ Program Files \ \ Autodesk \ \ 2018 \ \ HELP \ \ OLE_ERR AutoCAD CHM', - 2145386476, None))