Reports with NFA 6

Reports with NFA 6

cannot seem to be able to generate reports with Netflow version 6. I keep getting the bellow email

Dear User,

This is an automated mail generated by Netflow Analyzer Report Generation Engine.
Problem while sending the report.[ Problem could be of large File size

Report details:Report Type :Consolidated Report
Report Generation Time: Tue Jun 26 11:05:21 EEST 2007
***************************************************************************************




Thanks,
NetFlow Analyzer