Try to run a test from the internally attached project with artoftest.runner in command prompt. The run fails with a json serialization exception. A json exception stops the run: Could not create an instance of type ArtOfTest.Common.SourceControl.IRepositoryInfo. Type is an inte rface or abstract class and cannot be instantiated. Path 'SourceControlRepository.__type', line 1, p osition 3941. at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateNewObject(JsonReader reader, JsonObjectContract objectContract, JsonProperty containerMember, JsonProperty containerProperty, Str ing id, Boolean& createdFromNonDefaultConstructor) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Typ e objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, J sonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader read er, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerCont ract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty prope rty, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containe rProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, Js onReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Populate(JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerProxy.PopulateInternal(JsonReader reader, Object t arget) at ArtOfTest.Common.Serialization.JsonKnownTypeConverter.ReadJson(JsonReader reader, Type objectT ype, Object existingValue, JsonSerializer serializer) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.DeserializeConvertable(JsonConverte r converter, JsonReader reader, Type objectType, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings) at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings ) at ArtOfTest.Common.Design.SerializerService.DeserializeFromJSON[T](String serializedObject, Bool ean autoLoadTypesFromAssemblies) at ArtOfTest.WebAii.Design.ProjectModel.Project.LoadSettings() at ArtOfTest.WebAii.Design.Execution.CommandLineRunner.SendTestToExecutionEngine(String testFullP ath, Test test) at ArtOfTest.WebAii.Design.Execution.CommandLineRunner.ExecuteTest(String testFullPath) at ArtOfTest.Runner.Program.CommandLineExecution(String[] args) Main(String[] args)