Am having problem with GoZ ERROR

Hello I am used to taking 3D object from Maya and converting it to ZBrush and from ZBrush to Maya, my problem now is that, it keeps displaying the error that is being displayed below in the program interface as shown in below snapshot. I’d kindly accept any help from you in solving this problem. Thank You.
Error:
Tool:Export:X Offset
in…
[Iset, "Tool:Export:X Offset",0.0]


