Problem with the Automapper

Trying to return the data from server but end up in error with autoMapper but the datatype and the mapping correct and simple.

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code to return the data to the angular controller call :

public ListResultDto<CapacityListDto> GetCapacity(GetCapacityInput input)

    {

        var capacity = new Capacity

        {

            City = input.City,

            Center = input.Center,

            Housing = input.Housing

        };



     return new ListResultDto<CapacityListDto>(capacity.MapTo<List<CapacityListDto>>());



    }

Error :

{“\nUnmapped members were found. Review the types and members below.\nAdd a custom mapping expression, ignore, add a custom resolver, or modify the source/destination type\nFor no matching constructor, add a no-arg ctor, add optional arguments, or map all of the constructor parameters\n==========================================================================================================================================================================\r\nAutoMapper created this type map for you, but your types cannot be mapped using the current configuration.\r\nCapacity -> List1 (Destination member list)\r\nISAS.Automate.Capacity -> System.Collections.Generic.List1[[ISAS.Automate.Dto.CapacityListDto, ISAS.Application, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]] (Destination member list)\r\n\r\nUnmapped properties:\r\nCapacity\r\n”}

[acjh]

var items = new List<CapacityListDto> { _objectMapper.Map<CapacityListDto>(capacity) };
return new ListResultDto<CapacityListDto>(items);

[Gardens18]

Thank you.