Been on leave :)  OK try this.

Run this query and make sure you dont have any sprocs that like they are duplicates

select * from dbo.sysobjects
where name like '%Help%' and OBJECTPROPERTY(id, N'IsProcedure') = 1

You should get a list like this

Help_AddCategory

Help_AddCategoryFromImport

Help_AddTutorial

Help_AddTutorialFromImport

Help_CategorySetLevel

Help_CategorySetVisibility

Help_DeleteCategory

Help_DeleteTutorial

Help_GetCategory

Help_GetCategoryModules

Help_GetMaximumTutorialCategoryViewOrder

Help_GetTutorial

Help_GetTutorialsByModule

Help_ListCategory

Help_ListCategoryActive

Help_ListCategoryActiveByParent

Help_ListCategoryByParent

Help_ListTutorial

Help_ListTutorialAlphabetical

Help_SearchTutorials

Help_TutorialAddToCategory

Help_TutorialCategoryList

Help_TutorialDeleteCategory

Help_UpdateCategory

Help_UpdateTutorial

Help_UpdateTutorialViewOrder

I think you may have some messed up sprocs in your db.