Error, global mapper won’t load xyz ASCII

HI Experts,
I did try to load an xyz file with “Global Mapper 9.03”. When the file loaded completely, it attempted to triangulate and provided the above error message which you can see
What is going on? I am not able to use the program to finish something.

Unable to grid 3D points from desoto1-8603, xyz
GenericASCIIOverlay.cpp -2390
Build Time: Apr 30 2008 10:25:22
