i get errors
how to fix this??
Error 1 The type or namespace name 'MySql' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database - Game.cs 4 7 Yggdrasil
Error 2 The type or namespace name 'MySql' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database - Lobby.cs 4 7 Yggdrasil
Error 3 The type or namespace name 'MySql' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Helpers\Query.cs 5 7 Yggdrasil
Error 4 The type or namespace name 'MySql' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database.cs 6 7 Yggdrasil
Warning 5 'Digital_World.Entities.Item' defines operator == or operator != but does not override Object.GetHashCode() D:\DMO\trunk\DigitalWorld\Entities\Item.cs 8 18 Yggdrasil
Warning 6 'Digital_World.Entities.Item' overrides Object.Equals(object o) but does not override Object.GetHashCode() D:\DMO\trunk\DigitalWorld\Entities\Item.cs 8 18 Yggdrasil
Error 7 The type or namespace name 'MySqlConnection' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database.cs 20 24 Yggdrasil
Warning 8 'Digital_World.Entities.Character' overrides Object.Equals(object o) but does not override Object.GetHashCode() D:\DMO\trunk\DigitalWorld\Entities\Character.cs 21 18 Yggdrasil
Error 9 The type or namespace name 'MySqlConnection' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database.cs 21 24 Yggdrasil
Error 10 The type or namespace name 'MySqlCommand' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Helpers\Query.cs 45 16 Yggdrasil
Error 11 The type or namespace name 'MySqlConnection' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Helpers\Query.cs 45 40 Yggdrasil
Error 12 The type or namespace name 'MySqlConnection' could not be found (are you missing a using directive or an assembly reference?) D:\DMO\trunk\DigitalWorld\Database.cs 51 23 Yggdrasil
Error 13 Metadata file 'D:\DMO\trunk\DigitalWorld\bin\Debug\Yggdrasil.dll' could not be found Auth Server
Error 14 Metadata file 'D:\DMO\trunk\DigitalWorld\bin\Debug\Yggdrasil.dll' could not be found Digital World
Error 15 Metadata file 'D:\DMO\trunk\DigitalWorld\bin\Debug\Yggdrasil.dll' could not be found Lobby Server
Warning 16 Could not resolve this reference. Could not locate the assembly "MySql.Data, Version=6.4.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Yggdrasil
Warning 17 The referenced component 'MySql.Data' could not be found.
NEED HELP..
i want to try this game