EXPORTING THE SCENE FROM THE NEWER VERSION TO AN INTERMEDIATE FORMAT LIKE FBX OR OBJ. THESE FORMATS ARE WIDELY SUPPORTED BY DIFFERENT 3D SOFTWARE, INCLUDING OLDER VERSIONS OF 3DS MAX.
IMPORT THE EXPORTED FILE INTO THE OLDER VERSION OF 3DS MAX.
LINK : https://miconv.com/convert-max-to-fbx/

UPLOAD MAX MODEL TO WEBSITE
IT CONVERT MAX TO FBX
DOWNLOAD FBX FILE
OPEN YOUR 3DS MAX STUDIO ON PC
IMPORT THAT FBX FILE
YOUR FILE IS OPENED FROM LATEST VERSION TO OLDER VERSION.
NOW ATTACH YOUR MAPS .
ENJOY