When I try to play an arcade game or my own I always have this error!

[attachment=0:1hy5hz8a][/attachment:1hy5hz8a]

Hello, I have recently just started making games on Scirra and I love it.

But when I try to play my game on the arcade I get this error below, need some help I have no idea what it means :p

-thanks

[NullReferenceException: Object reference not set to an instance of an object.]

Arcade.Game.loadByRec(tblArcadeGame r) +243

Arcade.Game..ctor(Int32 ID) +460

arcade_play_playGame.Page_Load(Object sender, EventArgs e) +358

System.Web.UI.Control.LoadRecursive() +70

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3177

Hello, I have recently just started making games on Scirra and I love it.

But when I try to play my game on the arcade I get this error below, need some help I have no idea what it means :p

-thanks

[NullReferenceException: Object reference not set to an instance of an object.]

Arcade.Game.loadByRec(tblArcadeGame r) +243

Arcade.Game..ctor(Int32 ID) +460

arcade_play_playGame.Page_Load(Object sender, EventArgs e) +358

System.Web.UI.Control.LoadRecursive() +70

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3177