diff --git a/AsbCloudApp/Data/Progress/ProgressDto.cs b/AsbCloudApp/Data/Progress/ProgressDto.cs
index 601268ca..3ad2c50a 100644
--- a/AsbCloudApp/Data/Progress/ProgressDto.cs
+++ b/AsbCloudApp/Data/Progress/ProgressDto.cs
@@ -1,19 +1,18 @@
-namespace AsbCloudApp.Data.Progress
+namespace AsbCloudApp.Data.Progress;
+
+/// <summary>
+/// DTO прогресса
+/// </summary>
+public class ProgressDto
 {
     /// <summary>
-    /// DTO прогресса
+    /// прогресс 0 - 100%
     /// </summary>
-    public class ProgressDto
-    {
-        /// <summary>
-        /// прогресс 0 - 100%
-        /// </summary>
-        public float Progress { get; set; }
+    public float Progress { get; set; }
 
-        /// <summary>
-        /// название текущей операции генерации
-        /// </summary>
-        public string? Operation { get; set; }
+    /// <summary>
+    /// название текущей операции генерации
+    /// </summary>
+    public string? Operation { get; set; }
 
-    }
 }
diff --git a/AsbCloudApp/Data/Progress/ProgressExceptionDto.cs b/AsbCloudApp/Data/Progress/ProgressExceptionDto.cs
new file mode 100644
index 00000000..cb264178
--- /dev/null
+++ b/AsbCloudApp/Data/Progress/ProgressExceptionDto.cs
@@ -0,0 +1,29 @@
+using System;
+
+namespace AsbCloudApp.Data.Progress;
+
+/// <summary>
+/// DTO прогресса с ошибкой
+/// </summary>
+public class ProgressExceptionDto
+{
+    /// <summary>
+    /// прогресс 0 - 100%
+    /// </summary>
+    public float Progress { get; set; }
+
+    /// <summary>
+    /// название текущей операции генерации
+    /// </summary>
+    public string? Operation { get; set; }
+
+    /// <summary>
+    /// Отображаемый текст ошибки
+    /// </summary>
+    public string Message { get; set; } = null!;
+
+    /// <summary>
+    /// Инфо об исключении
+    /// </summary>
+    public Exception Exception { get; set; } = null!;
+}
\ No newline at end of file
diff --git a/AsbCloudApp/Data/Progress/ReportProgressDto.cs b/AsbCloudApp/Data/Progress/ReportProgressDto.cs
index 00db12a8..b14166e9 100644
--- a/AsbCloudApp/Data/Progress/ReportProgressDto.cs
+++ b/AsbCloudApp/Data/Progress/ReportProgressDto.cs
@@ -1,13 +1,12 @@
-namespace AsbCloudApp.Data.Progress
+namespace AsbCloudApp.Data.Progress;
+
+/// <summary>
+/// DTO завершенного прогресса генерации рапорта-диаграммы
+/// </summary>
+public class ReportProgressFinalDto : ReportProgressDto
 {
     /// <summary>
-    /// DTO завершенного прогресса генерации рапорта-диаграммы
+    /// файл
     /// </summary>
-    public class ReportProgressFinalDto : ReportProgressDto
-    {
-        /// <summary>
-        /// файл
-        /// </summary>
-        public FileInfoDto file { get; set; }
-    }
+    public FileInfoDto file { get; set; }
 }
diff --git a/AsbCloudApp/Data/Progress/ReportProgressFinalDto.cs b/AsbCloudApp/Data/Progress/ReportProgressFinalDto.cs
index 29956546..b5ce965a 100644
--- a/AsbCloudApp/Data/Progress/ReportProgressFinalDto.cs
+++ b/AsbCloudApp/Data/Progress/ReportProgressFinalDto.cs
@@ -1,18 +1,17 @@
-namespace AsbCloudApp.Data.Progress
+namespace AsbCloudApp.Data.Progress;
+
+/// <summary>
+/// DTO прогресса генерации рапорта-диаграммы
+/// </summary>
+public class ReportProgressDto : ProgressDto
 {
     /// <summary>
-    /// DTO прогресса генерации рапорта-диаграммы
+    /// номер текущей страницы
     /// </summary>
-    public class ReportProgressDto : ProgressDto
-    {
-        /// <summary>
-        /// номер текущей страницы
-        /// </summary>
-        public int CurrentPage { get; set; }
+    public int CurrentPage { get; set; }
 
-        /// <summary>
-        /// предполагаемое суммарное количество страниц
-        /// </summary>
-        public int TotalPages { get; set; }
-    }
+    /// <summary>
+    /// предполагаемое суммарное количество страниц
+    /// </summary>
+    public int TotalPages { get; set; }
 }
diff --git a/AsbCloudInfrastructure/Background/WorkToCreateReport.cs b/AsbCloudInfrastructure/Background/WorkToCreateReport.cs
index 3381f033..f07e7f85 100644
--- a/AsbCloudInfrastructure/Background/WorkToCreateReport.cs
+++ b/AsbCloudInfrastructure/Background/WorkToCreateReport.cs
@@ -6,38 +6,36 @@ using System;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace AsbCloudInfrastructure.Background
+namespace AsbCloudInfrastructure.Background;
+
+/// <summary>
+/// Класс для создания отчета
+/// </summary>
+internal class WorkToCreateReport : Work
 {
-    /// <summary>
-    /// Класс для создания отчета
-    /// </summary>
-    internal class WorkToCreateReport : Work
+    private readonly int idWell;
+    private readonly int idUser;
+    private readonly ReportParametersRequest request;
+    private readonly Action<object, string> progressHandler;
+
+    public WorkToCreateReport(int idWell, int idUser, ReportParametersRequest request, Action<object, string> progressHandler) : base("")
     {
-        private int idWell;
-        private int idUser;
-        private ReportParametersRequest request;
-        private Action<object, string> progressHandler;
+        this.idWell = idWell;
+        this.idUser = idUser;
+        this.request = request;
+        this.progressHandler = progressHandler;
 
-        public WorkToCreateReport(int idWell, int idUser, ReportParametersRequest request, Action<object, string> progressHandler) : base("")
+        Id = $"create report by wellid:{idWell} for userid:{idUser} requested at {DateTime.Now}";
+    }
+
+    protected override async Task Action(string id, IServiceProvider services, Action<string, double?> onProgress, CancellationToken token)
+    {
+        var reportService = services.GetRequiredService<IReportService>();
+        void handler(ProgressDto state, string workId)
         {
-            this.idWell = idWell;
-            this.idUser = idUser;
-            this.request = request;
-            this.progressHandler = progressHandler;
-
-            Id = $"create report by wellid:{idWell} for userid:{idUser} requested at {DateTime.Now}";
-        }
-
-
-        protected override async Task Action(string id, IServiceProvider services, Action<string, double?> onProgress, CancellationToken token)
-        {
-            var reportService = services.GetRequiredService<IReportService>();
-            Action<ProgressDto, string> handler = (state, workId) =>
-            {
-                onProgress?.Invoke(state.Operation ?? string.Empty, state.Progress);
-                progressHandler?.Invoke(state, workId);
-            };
-            await reportService.CreateReportAsync(Id, idWell, idUser, request, handler, token);
+            onProgress(state.Operation ?? string.Empty, state.Progress);
+            progressHandler(state, workId);
         }
+        await reportService.CreateReportAsync(Id, idWell, idUser, request, handler, token);
     }
 }
diff --git a/AsbCloudInfrastructure/Services/ReportService.cs b/AsbCloudInfrastructure/Services/ReportService.cs
index 59fd97ea..3b7199a9 100644
--- a/AsbCloudInfrastructure/Services/ReportService.cs
+++ b/AsbCloudInfrastructure/Services/ReportService.cs
@@ -41,16 +41,18 @@ public class ReportService : IReportService
     {
         var work = new WorkToCreateReport(idWell, idUser, request, progressHandler);
 
-        work.OnErrorAsync = (message, exception, token) => Task.Run(() => progressHandler.Invoke(new
-        {
-            Operation = "error",
-            Progress = 100f,
-            Message = string.IsNullOrEmpty(message)
+        work.OnErrorAsync = (message, exception, token) => Task.Run(() => {
+            var state = new ProgressExceptionDto
+            {
+                Operation = "error",
+                Progress = 100f,
+                Message = string.IsNullOrEmpty(message)
                     ? exception.Message
                     : message,
-            Exception = exception,
-        }, work.Id)
-            , token);
+                Exception = exception,
+            };
+            progressHandler.Invoke(state, work.Id);
+            }, token);
 
         backgroundWorkerService.Enqueue(work);
 
@@ -116,7 +118,6 @@ public class ReportService : IReportService
         return dtos;
     }
 
-
     public async Task CreateReportAsync(
         string workId,
         int idWell,