java.lang.OutOfMemoryError: Java heap space

Hi all,

I am getting below error.

Template code: IPL_INVSMSXML
Template app:  IPLCUS
Language:      en
Territory:     US
Output type:   EXCEL
[11/14/12 1:54:15 PM] [UNEXPECTED] [OPPServiceThread1] java.lang.OutOfMemoryError: Java heap space
        at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:44)
        at java.lang.StringBuffer.<init>(StringBuffer.java:104)
        at oracle.apps.fnd.cp.opp.OPPServiceThread.mainLoop(OPPServiceThread.java:126)
        at oracle.apps.fnd.cp.gsf.BaseServiceThread.run(BaseServiceThread.java:135)

[11/14/12 1:54:15 PM] [UNEXPECTED] [37093:RT5909892] java.lang.OutOfMemoryError: Java heap space
        at oracle.jdbc.dbaccess.DBConversion.stringToAsciiBytes(DBConversion.java:1597)
        at oracle.jdbc.dbaccess.DBConversion.stringToAccessCharBytes(DBConversion.java:378)
        at oracle.jdbc.dbaccess.DBConversion.StringToCharBytes(DBConversion.java:456)
        at oracle.jdbc.driver.OracleStatement.strToDbaccessBytes(OracleStatement.java:6811)