>>Hmm. Well somewhere AutoMapper is finding a ItemType.ItemType.
>>Looks like ItemType property can be found in .NET in :
>>
>>Strongly typed data
>>ListViewItem
>>DataListItem
>>DataGridItem
>>
>>and maybe more.
>>Can you work out which applies in this case ?
>>If you can't find anything that maybe there's a bug in AutoMapper - perhaps post a question on their mailing list....
>
>I think it's a bug in AutoMapper, I'll try contacting the author. Right now I am getting yet another error, but this time it is absolutely not helpful
>
>

>AutoMapper.AutoMapperMappingException was unhandled by user code
>  HResult=-2146233088
>  Message=Value supplied is of type System.Boolean but expected System.Byte.
>Change the value resolver source type, or redirect the source value supplied to the value resolver using FromMember.
>Value supplied is of type System.Boolean but expected System.Byte.
>Change the value resolver source type, or redirect the source value supplied to the value resolver using FromMember.

>
>So, how would I know which column generated this error. I'm getting the error on this line
>
>

>   ItemViewModel itemViewModel = AutoMapper.Mapper.Map<Items, ItemViewModel>(item);

>
>and both classes have lots of properties :(

How many properties in the destination class of type Byte - those are the possible culprits.

Will AssertConfigurationIsValid() give better detail ?