How do I debug AutoMapper.AutoMapperMappingException
Is there some way to get some more detail from automapper when I get this exception: AutoMapper.AutoMapperMappingException Often it will tell me the 2 types of the mapping, but not which resolver or part of the mapping is failing. Simple answer, is to call this method, preferably in your unit test. // ensure your configuration mappings are loaded first (bootstrapper) Mapper.AssertConfigurationIsValid(); see: http://docs.automapper.org/en/stable/Getting-started.html#how-do-i-test-my-mappings One thing that fixed my problem was adding this line to the mapping. .ForAllMembers(op=>op.Condition(x=>