ORA-01002: fetch out of sequence occasional exception while running business process

[mohna]

we are running "following business process

and its completes successfully every day. But occasional its failing with ORA01002 exception and error stack is below.

Started...
Got Context...
Got EJB Handler...
Got Home Handler...
Got Remote Handler...
inStream******* **************c lass com.chops.frame work.util.trace r.Debug
inStream******* **************n ull
Exception caught while running in the EJB Mode
com.chops.frame work.control.ex ceptions.ChopsE ventException: com.chops.frame work.control.ex ceptions.ChopsE ventException: java.sql.SQLExc eption: ORA-01002: fetch out of sequence

at weblogic.rjvm.R esponseImpl.unm arshalReturn(Re sponseImpl.java :234)
at weblogic.rmi.cl uster.Clusterab leRemoteRef.inv oke(Clusterable RemoteRef.java: 348)
at weblogic.rmi.cl uster.Clusterab leRemoteRef.inv oke(Clusterable RemoteRef.java: 259)
at com.chops.extin tf.voyageanalys is.ejb.VACalcul ationEJB_iayipu _EOImpl_1036_WL Stub.runVAPopul ate(Unknown Source)
at com.chops.extin tf.client.Voyag eAnalysisClient .runVoyageAnaly sisInEJBMode(Vo yageAnalysisCli ent.java:235)
at com.chops.extin tf.client.Voyag eAnalysisClient .main(VoyageAna lysisClient.jav a:183)
com.chops.frame work.control.ex ceptions.ChopsE ventException: com.chops.frame work.control.ex ceptions.ChopsE ventException: java.sql.SQLExc eption: ORA-01002: fetch out of sequence

Please let us know if any information is need for verifying the above error.