diff --git a/DD.Persistence.Client/CustomExceptions/SettingsPropertyNotFoundException.cs b/DD.Persistence.Client/CustomExceptions/SettingsPropertyNotFoundException.cs
new file mode 100644
index 0000000..6baa108
--- /dev/null
+++ b/DD.Persistence.Client/CustomExceptions/SettingsPropertyNotFoundException.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DD.Persistence.Client.CustomExceptions;
+
+/// <summary>
+/// Ошибка, которая выбрасывается в случае отсутствия необходимого свойства в appsettings.json
+/// </summary>
+public class AppSettingsPropertyNotFoundException : Exception
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="message"></param>
+    public AppSettingsPropertyNotFoundException(string message)
+       : base(message) { }
+}
diff --git a/DD.Persistence.Client/DD.Persistence.Client.csproj b/DD.Persistence.Client/DD.Persistence.Client.csproj
index 2395482..1d91345 100644
--- a/DD.Persistence.Client/DD.Persistence.Client.csproj
+++ b/DD.Persistence.Client/DD.Persistence.Client.csproj
@@ -52,7 +52,6 @@
     <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.3.0" />
     <PackageReference Include="Refit" Version="8.0.0" />
     <PackageReference Include="Refit.HttpClientFactory" Version="8.0.0" />
-    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.0" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.3.0" />
   </ItemGroup>
 
diff --git a/DD.Persistence.Client/RefitClientFactory.cs b/DD.Persistence.Client/RefitClientFactory.cs
index 9cd0bef..28535f5 100644
--- a/DD.Persistence.Client/RefitClientFactory.cs
+++ b/DD.Persistence.Client/RefitClientFactory.cs
@@ -1,9 +1,8 @@
 using DD.Persistence.Client.Clients.Interfaces.Refit;
-using DD.Persistence.Client.Helpers;
+using DD.Persistence.Client.CustomExceptions;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using Refit;
-using System.Configuration;
 using System.Text.Json;
 
 namespace DD.Persistence.Client;
@@ -26,7 +25,7 @@ public class RefitClientFactory<T> : IRefitClientFactory<T> where T : IRefitClie
         var baseUrl = configuration.GetSection("ClientUrl").Get<string>();
         if (String.IsNullOrEmpty(baseUrl))
         {
-            var exception = new SettingsPropertyNotFoundException("В настройках конфигурации не указан адрес Persistence сервиса.");
+            var exception = new AppSettingsPropertyNotFoundException("В настройках конфигурации не указан адрес Persistence сервиса.");
 
             logger.LogError(exception.Message);