Wildfire 2.4.4 Error Log

Can anyone tell me what the following error means? It appears I’'m recieving them when theres a load on the server or when a client is connected because during the day I will get them every 2 minutes until about 5pm, then they wont start up again until after 8am the next day.

Thanks

Server: Fedora Core 4. Wildfire 2.4.4. MS AD authentication. Internal database.

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2006.03.17 08:25:24 org.jivesoftware.wildfire.audit.spi.AuditorImpl$SaveQueuedPacketsTask.run(Audito rImpl.java:184) Internal server error

java.lang.NullPointerException

at org.jivesoftware.wildfire.audit.spi.AuditorImpl.saveQueuedPackets(AuditorImpl.j ava:198)

at org.jivesoftware.wildfire.audit.spi.AuditorImpl.access$100(AuditorImpl.java:32)

at org.jivesoftware.wildfire.audit.spi.AuditorImpl$SaveQueuedPacketsTask.run(Audit orImpl.java:181)

at java.util.TimerThread.mainLoop(Unknown Source)

at java.util.TimerThread.run(Unknown Source)