---

System.InvalidOperationException: Cannot convert string value 'Administrator' from the database to any value in the mapped 'SystemRoles' enum.
   at Microsoft.EntityFrameworkCore.Storage.ValueConversion.Internal.StringEnumConverter`3.ConvertToEnum(String value)
   at lambda_method616(Closure, QueryContext, DbDataReader)
   at lambda_method698(Closure, QueryContext, DbDataReader, ResultContext, SingleQueryResultCoordinator)
   at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.MoveNextAsync()
   at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken)
   at DaOffice.Core.BusinessLayer.ApiHandlers.Accounts.BaseSignInCommandHandler.SignInAsync(NetworkModel network, User user, String deviceId, Boolean rememberMe, CancellationToken cancellationToken, String login, Boolean useCookiesEnabled, Boolean shouldKeepPreviousRefreshToken, String refreshTokenFromRequest, Nullable`1 authenticationType) in /builds/daoffice-team/Backend/daoffice.core/Core/BusinessLayer/DaOffice.Core.BusinessLayer/ApiHandlers/Accounts/BaseSignInCommandHandler.cs:line 122
   at DaOffice.Core.BusinessLayer.ApiHandlers.Accounts.PostSignInByAdCommandHandler.Handle(PostSignInByAdCommand request, CancellationToken cancellationToken) in /builds/daoffice-team/Backend/daoffice.core/Core/BusinessLayer/DaOffice.Core.BusinessLayer/ApiHandlers/Accounts/PostSignInByAdCommandHandler.cs:line 149
   at DaOffice.Core.Api.V4.Controllers.AccountController.PostSignInByAdAsync(PostSignInByAdRequestModel request, IMediator mediator, PostSignInByAdConverter converter, CancellationToken cancellationToken) in /builds/daoffice-team/Backend/daoffice.core/Core/DaOffice.Core.Api/V4/Controllers/AccountController.cs:line 182