beagle-search causes beagled to crash

I think it may be related to backspacing all the search text out of a search query in beagle-search, but beagled dies like this;

Debug: Starting queryables
Debug: Scanning addressbooks and calendars
Error: Unhandled exception thrown. Exiting immediately.
Error: System.TypeInitializationException: An exception was thrown by the type i nitializer for Evolution.SourceList ---> System.DllNotFoundException: libedatase rver-1.2.so.4
in (wrapper managed-to-native) Evolution.Source:e_source_get_type ()
in <0x00014> Evolution.Source:get_GType ()
in <0x00026> GtkSharp.EvolutionSharp.ObjectManager:Initialize ()
in <0x00007> Evolution.SourceList:.cctor ()--- End of inner exception stack trac e ---

in (unmanaged) 0xb7e624f1
in <0x00064> Beagle.Daemon.EvolutionDataServerQueryable.SourcesHandler:.ctor (st ring,System.Type,Beagle.Daemon.EvolutionDataServerQueryable.EvolutionDataServerQ ueryable,string)
in <0x000be> Beagle.Daemon.EvolutionDataServerQueryable.EvolutionDataServerQuery able:Start ()
in <0x00016> Beagle.Daemon.Queryable:Start ()
in <0x0008b> Beagle.Daemon.QueryDriver:StartQueryables ()
in <0x00047> (wrapper delegate-invoke) System.MulticastDelegate:invoke_bool ()
in <0x0002a> TimeoutProxy:Handler ()
in <0x00036> (wrapper native-to-managed) TimeoutProxy:Handler ()
in (unmanaged) 0xb7d3f3a7
in <0x00004> (wrapper managed-to-native) Gtk.Application:gtk_main ()
in <0x00007> Gtk.Application:Run ()
in <0x006b3> Beagle.Daemon.BeagleDaemon:DoMain (string[])
in <0x00014> Beagle.Daemon.BeagleDaemon:Main (string[])

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object
in <0x0002e> System.IO.StreamWriter:LowLevelWrite (System.String s)
in <0x0001d> System.IO.StreamWriter:Write (System.String value)
in <0x00010> System.IO.UnexceptionalStreamWriter:Write (System.String value)
in <0x0001e> System.IO.TextWriter:Write (System.Object value)
in <0x00028> System.IO.SynchronizedWriter:Write (System.Object value)
in <0x0009f> Beagle.Util.Log:WriteLine (LogLevel level, System.String format, Sy stem.Object[] args, System.Exception ex)
in <0x00011> Beagle.Util.Log:Warn (System.String message, System.Object[] args)
in <0x0000d> Beagle.Util.Logger:Warn (System.String message, System.Object[] arg s)
in <0x00222> Beagle.Util.ExceptionHandlingThread:ThreadStarted ()
in (wrapper delegate-invoke) System.MulticastDelegate:invoke_void ()