从MS Access中将交叉表查询结果导出到Excel

I've been trying with limited success to export a crosstab query result set to Excel using Access 2003. Occasionally, the export works correctly, and Excel shows with no errors. Other times, using the exact same query parameters, I get a 3190 error - too many fields. I am using the TransferSpreadsheet option in a macro that is called from VB code.I've been trying with limited success to export