//This is the error:


[APPLICATION]:
APPLICATION EXCEPTION DETECTED: System.UnhandledExceptionEventArgs

Exception: System.TypeInitializationException: An exception was thrown by the type initializer for System.Drawing.GDIPlus ---> System.DllNotFoundException: libgdiplus.so.0
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x00000] --- End of inner exception stack trace ---

  at System.Drawing.Bitmap..ctor (Int32 width, Int32 height, PixelFormat format) [0x00000]
  at System.Drawing.Bitmap..ctor (Int32 width, Int32 height) [0x00000]
  at (wrapper remoting-invoke-with-check) System.Drawing.Bitmap:.ctor (int,int)
  at OpenSim.Region.Environment.Scenes.Scene.CreateTerrainTexture (Boolean temporary) [0x00000]
  at OpenSim.OpenSimMain.CreateRegion (OpenSim.Framework.RegionInfo regionInfo, Boolean portadd_flag, Boolean do_post_init) [0x00000]
  at OpenSim.OpenSimMain.CreateRegion (OpenSim.Framework.RegionInfo regionInfo, Boolean portadd_flag) [0x00000]
  at OpenSim.ApplicationPlugins.LoadRegions.LoadRegionsPlugin.Initialise (OpenSim.OpenSimMain openSim) [0x00000]
  at OpenSim.OpenSimMain.StartUp () [0x00000]
  at OpenSim.Application.Main (System.String[] args) [0x00000]
InnerException: System.DllNotFoundException: libgdiplus.so.0
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x00000]

Application is terminating: True


//this is the end

OS: Linux, Ubuntu 8.04
Location: /usr/lib/games/opensim
Command: mono OpenSim.exe

Edit: After reading through the list of packages for Ubuntu, I noticed the I after LibGD'I'Plus, installed it, and now it's running xD