>Hi everybody,
>
>I am getting the following error
>
>AutoMapper.AutoMapperMappingException was unhandled by user code
> HResult=-2146233088
> Message=Missing type map configuration or unsupported mapping.
>
>Mapping types:
>RuntimeType -> Byte
>System.RuntimeType -> System.Byte
>
>Destination path:
>IEnumerable`1[0].ItemType.ItemType
>
>Source value:
>System.String
> Source=AutoMapper
>
>On this line of code:
>
>

>   assignedItems = AutoMapper.Mapper.Map<ItemForDualListViewModel[],
>                    IEnumerable<Items>>(editModifierGroupViewModel.AssignedItems.ToArray());

>
>The ItemForDualListViewModel has just a few properties that match properties in the Items class. Items class has many more properties including Byte ItemType.
>
>Why would AutoMapper produce this error?
>
>Thanks in advance.

I've never used AutoMapper but you seem to be mapping from a small object to a larger one with additional properties - do you have it the wrong way around ?
Or do you have some rule in the map which tells it how to populate ItemType ?