Unexpected response status: 500 with body:
{"Message":"An error has occurred.","ExceptionMessage":"The 'ObjectContent`1' type failed to serialize the response body for content type 'application/json; charset=utf-8'.","ExceptionType":"System.InvalidOperationException","StackTrace":null,"InnerException":{"Message":"An error has occurred.","ExceptionMessage":"Missing type map configuration or unsupported mapping.\r\n\r\nMapping types:\r\nSiteContentPlaceHolder -> SiteContentPlaceHolderDTO\r\nSitewrenchAPI.Models.SiteContentPlaceHolder -> SitewrenchAPI.DTOs.SiteContentPlaceHolderDTO\r\n\r\nDestination path:\r\nSiteContentPlaceHolderDTO\r\n\r\nSource value:\r\nSitewrenchAPI.Models.SiteContentPlaceHolder","ExceptionType":"AutoMapper.AutoMapperMappingException","StackTrace":" at SitewrenchAPI.DTOs.DTOHelpers.Map[destT](Object source) in C:\\Projects\\api-sitewrench\\SitewrenchAPI\\DTOs\\BaseDTO.cs:line 38\r\n at SitewrenchAPI.Models.SiteContentPlaceHolder.ToDTO() in C:\\Projects\\api-sitewrench\\SitewrenchAPI\\Models\\SiteContentPlaceHolder.cs:line 43\r\n at SitewrenchAPI.Models.SiteContentPlaceHolderExtensions.<>c.b__4_0(SiteContentPlaceHolder s) in C:\\Projects\\api-sitewrench\\SitewrenchAPI\\Models\\Extensions\\SiteContentPlaceHolderExtensions.cs:line 90\r\n at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()\r\n at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)\r\n at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType)\r\n at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType)\r\n at System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.WriteToStream(Type type, Object value, Stream writeStream, Encoding effectiveEncoding)\r\n at System.Net.Http.Formatting.JsonMediaTypeFormatter.WriteToStream(Type type, Object value, Stream writeStream, Encoding effectiveEncoding)\r\n at System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.WriteToStreamAsync(Type type, Object value, Stream writeStream, HttpContent content, TransportContext transportContext, CancellationToken cancellationToken)\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Web.Http.WebHost.HttpControllerHandler.d__1b.MoveNext()"}}