I got the error again!

In terminal:
[Info  20:14:27.532] Running Banshee 2.0.0: [Ubuntu Natty (development branch) (linux-gnu, i686) @ 2011-04-18 16:21:33 UTC]
[Warn  20:14:28.780] MPRIS service couldn't grab bus name
[Info  20:14:28.790] Updating web proxy from GConf
[Info  20:14:28.820] All services are started 1,04819
[Warn  20:14:28.879] Caught an exception - Hyena.Data.Sqlite.SqliteException: Sqlite error 5: database is locked (SQL: 
                BEGIN TRANSACTION;
                    DELETE FROM CoreSmartPlaylistEntries WHERE SmartPlaylistID IN (SELECT SmartPlaylistID FROM CoreSmartPlaylists WHERE IsTemporary = 1);
                    DELETE FROM CoreSmartPlaylists WHERE IsTemporary = 1;
                COMMIT TRANSACTION) (in `Hyena.Data.Sqlite')
  at Hyena.Data.Sqlite.Connection.CheckError (Int32 errorCode, System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.Connection.Execute (System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.HyenaSqliteCommand.Execute (Hyena.Data.Sqlite.HyenaSqliteConnection hconnection, Hyena.Data.Sqlite.Connection connection) [0x00000] in <filename unknown>:0 
Exception has been thrown by the target of an invocation.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> Hyena.Data.Sqlite.SqliteException: Sqlite error 5: database is locked (SQL: 
                BEGIN TRANSACTION;
                    DELETE FROM CoreSmartPlaylistEntries WHERE SmartPlaylistID IN (SELECT SmartPlaylistID FROM CoreSmartPlaylists WHERE IsTemporary = 1);
                    DELETE FROM CoreSmartPlaylists WHERE IsTemporary = 1;
                COMMIT TRANSACTION)
  at Hyena.Data.Sqlite.Connection.CheckError (Int32 errorCode, System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.Connection.Execute (System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.HyenaSqliteCommand.Execute (Hyena.Data.Sqlite.HyenaSqliteConnection hconnection, Hyena.Data.Sqlite.Connection connection) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <filename unknown>:0 
  at Banshee.Gui.GtkBaseClient.Startup () [0x00000] in <filename unknown>:0 
  at Hyena.Gui.CleanRoomStartup.Startup (Hyena.Gui.StartupInvocationHandler startup) [0x00000] in <filename unknown>:0 

In Fatal Error window:
Exception has been thrown by the target of an invocation.

An unhandled exception was thrown: Sqlite error 5: database is locked (SQL: 
                BEGIN TRANSACTION;
                    DELETE FROM CoreSmartPlaylistEntries WHERE SmartPlaylistID IN (SELECT SmartPlaylistID FROM CoreSmartPlaylists WHERE IsTemporary = 1);
                    DELETE FROM CoreSmartPlaylists WHERE IsTemporary = 1;
                COMMIT TRANSACTION)

  at Hyena.Data.Sqlite.Connection.CheckError (Int32 errorCode, System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.Connection.Execute (System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.HyenaSqliteCommand.Execute (Hyena.Data.Sqlite.HyenaSqliteConnection hconnection, Hyena.Data.Sqlite.Connection connection) [0x00000] in <filename unknown>:0 
Exception has been thrown by the target of an invocation.

  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <filename unknown>:0 
  at Banshee.Gui.GtkBaseClient.Startup () [0x00000] in <filename unknown>:0 
  at Hyena.Gui.CleanRoomStartup.Startup (Hyena.Gui.StartupInvocationHandler startup) [0x00000] in <filename unknown>:0 

.NET Version: 2.0.50727.1433
OS Version: Unix 2.6.38.8

Assembly Version Information:

Banshee.AudioCd (2.0.0.0)
Banshee.CoverArt (2.0.0.0)
Banshee.Daap (2.0.0.0)
notify-sharp (0.4.0.0)
Banshee.SoundMenu (2.0.0.0)
Banshee.Mpris (2.0.0.0)
Migo (2.0.0.0)
Banshee.Podcasting (2.0.0.0)
Banshee.Dap (2.0.0.0)
Banshee.MultimediaKeys (2.0.0.0)
Banshee.Bpm (2.0.0.0)
Banshee.WebBrowser (2.0.0.0)
Banshee.Wikipedia (2.0.0.0)
pango-sharp (2.12.0.0)
Banshee.Fixup (2.0.0.0)
Mirage (2.0.0.0)
Banshee.Mirage (2.0.0.0)
Banshee.Widgets (2.0.0.0)
gio-sharp (2.14.0.0)
gudev-sharp (1.0.0.0)
Banshee.Gio (2.0.0.0)
Banshee.GStreamer (2.0.0.0)
System.Configuration (2.0.0.0)
NDesk.DBus.GLib (1.0.0.0)
gconf-sharp (2.24.0.0)
Banshee.Gnome (2.0.0.0)
Banshee.NowPlaying (2.0.0.0)
Mono.Cairo (2.0.0.0)
System.Xml (2.0.0.0)
Banshee.Core (2.0.0.0)
Hyena.Data.Sqlite (2.0.0.0)
System.Core (3.5.0.0)
gdk-sharp (2.12.0.0)
Mono.Addins (0.4.0.0)
atk-sharp (2.12.0.0)
Hyena.Gui (2.0.0.0)
gtk-sharp (2.12.0.0)
Banshee.ThickClient (2.0.0.0)
Nereid (2.0.0.0)
NDesk.DBus.Proxies (0.0.0.0)
Mono.Posix (2.0.0.0)
Hyena (2.0.0.0)
NDesk.DBus (1.0.0.0)
glib-sharp (2.12.0.0)
System (2.0.0.0)
Banshee.Services (2.0.0.0)
Banshee (2.0.0.0)
mscorlib (2.0.0.0)

Platform Information: Linux 2.6.38-8-generic-pae i686 i386 GNU/Linux

Disribution Information:

[/etc/lsb-release]
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION="Ubuntu 11.04"

[/etc/debian_version]
squeeze/sid

Second Fatal Error:
An unhandled exception was thrown: Sqlite error 5: database is locked (SQL: 
                    DELETE FROM CoreCache WHERE ModelID = 43;
                        INSERT INTO CoreCache (ModelID, ItemID) SELECT 43, CoreTracks.TrackID FROM CoreTracks CROSS JOIN CoreArtists,CoreAlbums WHERE CoreArtists.ArtistID = CoreTracks.ArtistID AND CoreAlbums.AlbumID = CoreTracks.AlbumID  AND CoreTracks.PrimarySourceID = 1  ORDER BY 
                        CoreTracks.TitleSortKey ASC,
                        CoreAlbums.ArtistNameSortKey ASC,
                        
                        CoreAlbums.TitleSortKey ASC)

  at Hyena.Data.Sqlite.Connection.CheckError (Int32 errorCode, System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.Connection.Execute (System.String sql) [0x00000] in <filename unknown>:0 
  at Hyena.Data.Sqlite.HyenaSqliteCommand.Execute (Hyena.Data.Sqlite.HyenaSqliteConnection hconnection, Hyena.Data.Sqlite.Connection connection) [0x00000] in <filename unknown>:0 
Exception has been thrown by the target of an invocation.

  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <filename unknown>:0 
  at Banshee.Gui.GtkBaseClient.Startup () [0x00000] in <filename unknown>:0 
  at Hyena.Gui.CleanRoomStartup.Startup (Hyena.Gui.StartupInvocationHandler startup) [0x00000] in <filename unknown>:0 

.NET Version: 2.0.50727.1433
OS Version: Unix 2.6.38.8

Assembly Version Information:

Banshee.AudioCd (2.0.0.0)
Banshee.CoverArt (2.0.0.0)
Banshee.Daap (2.0.0.0)
notify-sharp (0.4.0.0)
Banshee.SoundMenu (2.0.0.0)
Banshee.Mpris (2.0.0.0)
Migo (2.0.0.0)
Banshee.Podcasting (2.0.0.0)
Banshee.Dap (2.0.0.0)
Banshee.MultimediaKeys (2.0.0.0)
Banshee.Bpm (2.0.0.0)
Banshee.WebBrowser (2.0.0.0)
Banshee.Wikipedia (2.0.0.0)
pango-sharp (2.12.0.0)
Banshee.Fixup (2.0.0.0)
Mirage (2.0.0.0)
Banshee.Mirage (2.0.0.0)
Banshee.Widgets (2.0.0.0)
gio-sharp (2.14.0.0)
gudev-sharp (1.0.0.0)
Banshee.Gio (2.0.0.0)
Banshee.GStreamer (2.0.0.0)
System.Configuration (2.0.0.0)
NDesk.DBus.GLib (1.0.0.0)
gconf-sharp (2.24.0.0)
Banshee.Gnome (2.0.0.0)
Banshee.NowPlaying (2.0.0.0)
Mono.Cairo (2.0.0.0)
System.Xml (2.0.0.0)
Banshee.Core (2.0.0.0)
Hyena.Data.Sqlite (2.0.0.0)
System.Core (3.5.0.0)
gdk-sharp (2.12.0.0)
Mono.Addins (0.4.0.0)
atk-sharp (2.12.0.0)
Hyena.Gui (2.0.0.0)
gtk-sharp (2.12.0.0)
Banshee.ThickClient (2.0.0.0)
Nereid (2.0.0.0)
NDesk.DBus.Proxies (0.0.0.0)
Mono.Posix (2.0.0.0)
Hyena (2.0.0.0)
NDesk.DBus (1.0.0.0)
glib-sharp (2.12.0.0)
System (2.0.0.0)
Banshee.Services (2.0.0.0)
Banshee (2.0.0.0)
mscorlib (2.0.0.0)

Platform Information: Linux 2.6.38-8-generic-pae i686 i386 GNU/Linux

Disribution Information:

[/etc/lsb-release]
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION="Ubuntu 11.04"

[/etc/debian_version]
squeeze/sid