QTR-Quadtone RIP

Hi

I've got an Epson 7800 and an Eye One unit and I'm trying to use QTR's
create ICC program (on Windows XP) to create an ICC profile for the
ABW mode.

I've printed the step wedges (51 grey random) with no colour management.

I've used measure tool to measure the patches (in reflective mode, no
spectral).

However when I drop the .txt file on to QTR-Create-ICC.exe, it always
gives me a .txt output file saying 'Lab values not in order, cannot
create profile'.

I'm sure it is something obvious but I can't figure out what is wrong,
nor can I find anything obvious in the eye one notes or the two yahoo
groups.

Thanks for any help!

Cheers
JD