Critical : Error while invoking backup

Dear Support Team,

I appreciate your help regarding a fix for the following error message which appears on performing backup by manual and can't backup data by schedule. I was upgrade from 8012 to 8107 version.

C:\ManageEngine\ServiceDesk\bin>backupdata.bat
Starting....
Jul 30, 2012 4:46:52 PM com.adventnet.servicedesk.server.utils.SDDataManager setStandAlone
INFO: Going to set the standAlone param as : true
Jul 30, 2012 4:46:52 PM com.adventnet.servicedesk.server.utils.SDDataManager setStandAlone
INFO: Going to reset rootDir using server.dir
Jul 30, 2012 4:46:52 PM com.adventnet.servicedesk.server.utils.SDDataManager <init>
INFO: rootDir :: ..
Jul 30, 2012 4:46:53 PM com.adventnet.servicedesk.server.utils.SDDataManager <init>
INFO: netutilsData :: {RELEASE={version=8.1.0}, BUILD={number=8109}}
Jul 30, 2012 4:46:53 PM com.adventnet.servicedesk.server.utils.SDDataManager <init>
INFO: rebrandData :: {OPMANAGER={name=OpManager}, PRODUCT={name=ManageEngine ServiceDesk Plus}, ADMA
NAGER={name=ADManager}}
Active DB Server = mysql
Database connectionProp : useUnicode=true
characterEncoding=UTF-8

Database started
*************************************************************
Number of tables found : 1173
-------------------------------------------------------------
Build number           : 8109
-------------------------------------------------------------
backup_info.xml        : true
-------------------------------------------------------------
Ignored Table List
-------------------------------------------------------------
AaaAccSessionAudit
AaaAccHttpSession
AaaAccSessionProp
AaaAccSession
AuditRecord
OperationAuditRecord
AuditResultProperty
AuditResourceProp
AuditOperProperty
RecentItems
-------------------------------------------------------------
Going to take full backup with file attachments
-------------------------------------------------------------
deleting duplicate entries in WordMap table : 0
*************************************************************

Please wait ! backup in Progress...................
0-----------------------50------------------------100(%)
===================ERROR = *Base table or view not found, message from server: "Table 'servicedesk.
dynamicdummy' doesn't exist"*
ERROR = *Base table or view not found, message from server: "Table 'servicedesk.dynamicdummy' doesn
't exist"*
java.lang.Exception: Unable to get the data from [DynamicDummy] table
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1101)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1120)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1120)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTable(SDBackUp.java:777)
        at com.adventnet.servicedesk.tools.SDBackUp.startBackup(SDBackUp.java:353)
        at com.adventnet.servicedesk.tools.SDBackUp.process(SDBackUp.java:95)
        at com.adventnet.servicedesk.tools.SDBackUp.main(SDBackUp.java:1813)

stopping DB Server >>>>> false
java.lang.Exception: Unable to get the data from [DynamicDummy] table
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1101)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1120)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTableUsingLimit(SDBackUp.java:1120)
        at com.adventnet.servicedesk.tools.SDBackUp.dumpTable(SDBackUp.java:777)
        at com.adventnet.servicedesk.tools.SDBackUp.startBackup(SDBackUp.java:353)
        at com.adventnet.servicedesk.tools.SDBackUp.process(SDBackUp.java:95)
        at com.adventnet.servicedesk.tools.SDBackUp.main(SDBackUp.java:1813)
C:\ManageEngine\ServiceDesk\bin>