Backup Firewall analyzer DB

Hi dear,

I have problem about backup the firewall analyzer DB.

mysql/data/firewall/ReportSummary.MYI File is already there.
But following error is occurred:

Please wait. Backup in Progress.......... Error zippingmysql/data/firewall/ReportSummary.MYI No such file or directory
java.io.FileNotFoundException: mysql/data/firewall/ReportSummary.MYI No such file or directory
at java.io.FileInputStream.openNative Method
at java.io.FileInputStream.<init>Unknown Source
at com.adventnet.la.util.BackupDB.zipDirBackupDB.java:110
at com.adventnet.la.util.BackupDB.zipDirBackupDB.java:87
at com.adventnet.la.util.BackupDB.<init>BackupDB.java:26
at com.adventnet.la.util.BackupDB.mainBackupDB.java:328

I'm waiting your messages,

Thank you,
BR,
Erdenejargal.B