Dosen't Work zModeler 3 can not import any Vehicles...

[succha]

Pls. help I can not import any vehicles...
open zModeler 3 ,selected .yft and ytd files then press import button.

get this error message
"Corrupted file, can not unpack data, file:gtarageimport, cpp line :321"

i use same data other person they can import i can not..

why????????????