Thanks Flucke!

Although have a small diffrent, You reply do solve my problem.When i used "List to txtfilename",the error message still jump out,but,this time,the record point was move to the record which have some problem.Then, i used "Scatter memo to myarray",and find out which field have wrong value,then i store 0 to that field, the problem was been overcome.:)

Thanks very much!