Wrong number of values when importing csv in Weka

Question

I want to open a csv file (saved from openoffice calc) in weka.

I keep getting an error: \"wrong number of values. 140 read, 139 expected on line 3.\"

The c

Answer 1

I had the same error before. I changed my .xls files without any blank ranks. Sometimes the Weka loaded too many "," . But if I clear the blank ranks than the Weka could be work.