HELP: Pls. tell why this error comes in Oracle reports

[satish2279]

JVMCI161: FATAL ERROR in native method: Out of memory when expanding local ref table beyond capacity
at oracle.reports.engine.EngineImpl.CRunReport(Native Method)
at oracle.reports.engine.EngineImpl.run(EngineImpl.java:353)
at oracle.reports.server.JobManager.runJobInEngine(JobManager.java:784)
at oracle.reports.server.ExecAsynchJobThread.run(ExecAsynchJobThread.java:54)
JVMDG217: Dump Handler is Processing a Signal - Please Wait.
JVMDG303: JVM Requesting Java core file
JVMDG304: Java core file written to /opal/atu/plcs/reportdir/processed/javacore876550.1164628685.txt
JVMDG215: Dump Handler has Processed Error Signal 6.
/opal/atu/plcs/scriptdir/reprun.sh[39]: 876550 Abort(coredump)

 

[nagornyi]

Make sure the number and type of fields in the record variable used for the cursor match those of the selected fields.