Event logs:
Exception occured: [12/16/2017 12:57:28] Microsoft.Dynamics.Commerce.Runtime.UserAuthenticationException: An error occurred during logon. ---> Microsoft.Dynamics.Commerce.Runtime.ConfigurationException: No default transaction service profile was found.
at Microsoft.Dynamics.Commerce.Runtime.Data.ChannelDatabaseAccessor.GetDefaultTransactionServiceProfile()
at Microsoft.Dynamics.Commerce.Runtime.Data.ChannelDataManager.GetDefaultTransactionServiceProfile()
at Microsoft.Dynamics.Commerce.Runtime.Data.ChannelDataManager.GetValidTransactionServiceProfile(RequestContext requestContext)
at Microsoft.Dynamics.Commerce.Runtime.TransactionService.TransactionServiceClientFactory..ctor(RequestContext context)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationTransactionService.LogOnUser(UserLogOnServiceRequest request)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationTransactionService.Execute(Request request)
at Microsoft.Dynamics.Commerce.Runtime.Workflow.Composition.PipelineRequestHandler.Execute(IRequestHandler handler, Request request)
at Microsoft.Dynamics.Commerce.Runtime.CommerceRuntime.Execute[TResponse](Request request, RequestContext context, IRequestHandler handler, Boolean skipRequestPipeline)
at Microsoft.Dynamics.Commerce.Runtime.CommerceRuntime.Execute[TResponse](Request request, RequestContext context, IRequestHandler handler)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationService.ExecuteTransactionService[T](RequestContext context, Request request)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationService.EmployeeLogOnRealTimeService(UserLogOnServiceRequest request)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationService.LogOnUser(UserLogOnServiceRequest request)
at Microsoft.Dynamics.Commerce.Runtime.Services.UserAuthenticationService.Execute(Request request)
at Microsoft.Dynamics.Commerce.Runtime.Workflow.Composition.PipelineRequestHandler.Execute(IRequestHandler handler, Request request)
at Microsoft.Dynamics.Commerce.Runtime.CommerceRuntime.Execute[TResponse](Request request, RequestContext context, IRequestHandler handler, Boolean skipRequestPipeline)
at Microsoft.Dynamics.Commerce.Runtime.CommerceRuntime.Execute[TResponse](Request request, RequestContext context, IRequestHandler handler)
at Microsoft.Dynamics.Commerce.Runtime.Workflow.AuthenticationHelper.AuthenticateUser(RequestContext context, Device device, UserAuthenticationRequest request, LogOnConfiguration& logOnConfiguration)
at Microsoft.Dynamics.Commerce.Runtime.Workflow.UserAuthenticationRequestHandler.Process(UserAuthenticationRequest request)
--- End of inner exception stack trace ---
at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.Dynamics.Retail.RetailServerLibrary.BufferResponseContentAttribute.<ExecuteActionFilterAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Tracing.ITraceWriterExtensions.<TraceBeginEndAsyncCore>d__21`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Web.Http.ApiController.<InvokeActionWithExceptionFilters>d__1.MoveNext()
