--------------------------- --------------------------- Error message: The parameter is incorrect. at EnvDTE.ProjectItem.get_FileNames(Int16 index) at OakLeaf.MM.Main.Builders.mmBindingSourceWebMemberEditForm.GetDatabaseInfo() at OakLeaf.MM.Main.Builders.mmBindingSourceWebMemberEditForm.Init(Object value) at OakLeaf.MM.Main.Builders.mmBindingSourceWebMemberEditForm..ctor(Object value, Control currentControl, ITypeDescriptorContext context) --------------------------- OK ---------------------------This problem happens in a web project. I use the same Business Object project in a windows project without problems.