java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at COM.FutureTense.Servlet.JDBCTable.prepare(JDBCTable.java:1767)
at COM.FutureTense.Servlet.JDBCTable.executeQuery_trans_logic(JDBCTable.java:1628)
at COM.FutureTense.Servlet.JDBCTable.executeQuery_trans(JDBCTable.java:1590)
at COM.FutureTense.Servlet.JDBCTable.executeQuery(JDBCTable.java:1430)
at COM.FutureTense.Servlet.JDBCTable.SelectRow(JDBCTable.java:1025)
at COM.FutureTense.Common.ftDBTable.selectTo(ftDBTable.java:2229)
at COM.FutureTense.Event.ftEvent.getEventsList(ftEvent.java:309)
at COM.FutureTense.Platform.SystemEvents.SystemEventFactoryImpl.getSystemEvents(SystemEventFactoryImpl.java:62)
at COM.FutureTense.Platform.SystemEvents.HeartBeat.run(HeartBeat.java:43)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)

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