SubSonic “Version” fails due to missing dependencies

ERROR: Trying to execute Version
Error Message: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.SqlServer.SmoEnum, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The system cannot find the file specified.
File name: 'Microsoft.SqlServer.SmoEnum, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91'
   at Microsoft.SqlServer.Management.Smo.SqlSmoObject.GetDbCollation(String dbname)
   at Microsoft.SqlServer.Management.Smo.SqlSmoObject.GetDbComparer(Boolean inServer)
   at Microsoft.SqlServer.Management.Smo.SqlSmoObject.InitializeStringComparer()
   at Microsoft.SqlServer.Management.Smo.AbstractCollectionBase.get_StringComparer()
   at Microsoft.SqlServer.Management.Smo.SimpleObjectCollectionBase.InitInnerCollection()
   at Microsoft.SqlServer.Management.Smo.SmoCollectionBase.get_InternalStorage()
   at Microsoft.SqlServer.Management.Smo.SmoCollectionBase.GetObjectByKey(ObjectKeyBase key)
   at Microsoft.SqlServer.Management.Smo.DatabaseCollection.get_Item(String name)
   at SubSonic.SubCommander.DBScripter.ScriptSchema(String connectionString) in C:svnsubsonicprojecttrunkSubCommanderDBScripter.cs:line 51
   at SubSonic.SubCommander.Program.ScriptSchema() in C:svnsubsonicprojecttrunkSubCommanderProgram.cs:line 696
   at SubSonic.SubCommander.Program.Main(String[] args) in C:svnsubsonicprojecttrunkSubCommanderProgram.cs:line 68