Integration Server not Starting

My Intergration Server was working fine.I just configured the Broker(clicked the “configure” radio)and when i tried to restart the server it didn’t start.The following are the server logs :
2003-05-23 11:56:44 GMT+05:30 [ISS.0025.0001C] Integration Server 6.0 Build 251
2003-05-23 11:56:44 GMT+05:30 [ISS.0025.0006C] License Manager started
2003-05-23 11:56:45 GMT+05:30 [ISS.0025.0017C] Repository Manager started
2003-05-23 11:56:46 GMT+05:30 [ISS.0025.0024C] JDBC Connection Manager started
2003-05-23 11:56:47 GMT+05:30 [ISS.0095.0001C] AuditLogManager Initialization Exception:[BAA.0002.0000] Wrapped Exception: [BAT.0002.0000] Wrapped Exception: com.wm.txn.TransactionException: [BAC.0002.0000] Wrapped Exception: com.wm.txn.TransactionException: [BAC.0002.0000] Wrapped Exception: [BAF.0002.0000] Wrapped Exception: com.wm.util.BasisRuntimeException: [BAF.0001.0060] Type mismatch: data != null on <00000132> data r1 *00000019 p00000132 n00000132 k00000000 d00178f37 (D 0)
My IS is on Windows machine.
Has anyone come across this problem?