DTW Error "Field is too small 65171

Hi,

I am trying to import a COA into a US local legislation company and getting the above error.

I have tried just one line in a spreadsheet with a title account and it still doesn't work. I have on the line active = tNo, FartherNum = 100000000000000 and Format Code = 1100000000

Is is not using segmentation and has a User Defined COA so struggling to see what is causing it. I have put a ' in front of the codes also but still no luck

help please

Mark