diff --git a/EnvelopeGenerator.Application/DIExtensions.cs b/EnvelopeGenerator.Application/DIExtensions.cs
index c8179fa6..ea51c7db 100644
--- a/EnvelopeGenerator.Application/DIExtensions.cs
+++ b/EnvelopeGenerator.Application/DIExtensions.cs
@@ -7,6 +7,7 @@ using EnvelopeGenerator.Infrastructure.Contracts;
 using EnvelopeGenerator.Infrastructure.Repositories;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace EnvelopeGenerator.Application
 {
@@ -15,36 +16,36 @@ namespace EnvelopeGenerator.Application
         public static IServiceCollection AddEnvelopeGenerator(this IServiceCollection services, IConfiguration dispatcherConfigSection, IConfiguration mailConfigSection)
         {
             //Inject CRUD Service and repositoriesad
-            services.AddScoped<IConfigRepository, ConfigRepository>();
-            services.AddScoped<IDocumentReceiverElementRepository, DocumentReceiverElementRepository>();
-            services.AddScoped<IEnvelopeDocumentRepository, EnvelopeDocumentRepository>();
-            services.AddScoped<IConfigRepository, ConfigRepository>();
-            services.AddScoped<IDocumentReceiverElementRepository, DocumentReceiverElementRepository>();
-            services.AddScoped<IDocumentStatusRepository, DocumentStatusRepository>();
-            services.AddScoped<IEmailTemplateRepository, EmailTemplateRepository>();
-            services.AddScoped<IEnvelopeRepository, EnvelopeRepository>();
-            services.AddScoped<IEnvelopeCertificateRepository, EnvelopeCertificateRepository>();
-            services.AddScoped<IEnvelopeDocumentRepository, EnvelopeDocumentRepository>();
-            services.AddScoped<IEnvelopeHistoryRepository, EnvelopeHistoryRepository>();
-            services.AddScoped<IEnvelopeReceiverRepository, EnvelopeReceiverRepository>();
-            services.AddScoped<IEnvelopeTypeRepository, EnvelopeTypeRepository>();
-            services.AddScoped<IReceiverRepository, ReceiverRepository>();
-            services.AddScoped<IUserReceiverRepository, UserReceiverRepository>();
-            services.AddScoped<IEnvelopeReceiverReadOnlyRepository, EnvelopeReceiverReadOnlyRepository>();
-            services.AddScoped<IConfigService, ConfigService>();
-            services.AddScoped<IDocumentReceiverElementService, DocumentReceiverElementService>();
-            services.AddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
-            services.AddScoped<IEnvelopeHistoryService, EnvelopeHistoryService>();
-            services.AddScoped<IDocumentStatusService, DocumentStatusService>();
-            services.AddScoped<IEmailTemplateService, EmailTemplateService>();
-            services.AddScoped<IEnvelopeService, EnvelopeService>();
-            services.AddScoped<IEnvelopeCertificateService, EnvelopeCertificateService>();
-            services.AddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
-            services.AddScoped<IEnvelopeReceiverService, EnvelopeReceiverService>();
-            services.AddScoped<IEnvelopeTypeService, EnvelopeTypeService>();
-            services.AddScoped<IReceiverService, ReceiverService>();
-            services.AddScoped<IUserReceiverService, UserReceiverService>();
-            services.AddScoped<IEnvelopeReceiverReadOnlyService, EnvelopeReceiverReadOnlyService>();
+            services.TryAddScoped<IConfigRepository, ConfigRepository>();
+            services.TryAddScoped<IDocumentReceiverElementRepository, DocumentReceiverElementRepository>();
+            services.TryAddScoped<IEnvelopeDocumentRepository, EnvelopeDocumentRepository>();
+            services.TryAddScoped<IConfigRepository, ConfigRepository>();
+            services.TryAddScoped<IDocumentReceiverElementRepository, DocumentReceiverElementRepository>();
+            services.TryAddScoped<IDocumentStatusRepository, DocumentStatusRepository>();
+            services.TryAddScoped<IEmailTemplateRepository, EmailTemplateRepository>();
+            services.TryAddScoped<IEnvelopeRepository, EnvelopeRepository>();
+            services.TryAddScoped<IEnvelopeCertificateRepository, EnvelopeCertificateRepository>();
+            services.TryAddScoped<IEnvelopeDocumentRepository, EnvelopeDocumentRepository>();
+            services.TryAddScoped<IEnvelopeHistoryRepository, EnvelopeHistoryRepository>();
+            services.TryAddScoped<IEnvelopeReceiverRepository, EnvelopeReceiverRepository>();
+            services.TryAddScoped<IEnvelopeTypeRepository, EnvelopeTypeRepository>();
+            services.TryAddScoped<IReceiverRepository, ReceiverRepository>();
+            services.TryAddScoped<IUserReceiverRepository, UserReceiverRepository>();
+            services.TryAddScoped<IEnvelopeReceiverReadOnlyRepository, EnvelopeReceiverReadOnlyRepository>();
+            services.TryAddScoped<IConfigService, ConfigService>();
+            services.TryAddScoped<IDocumentReceiverElementService, DocumentReceiverElementService>();
+            services.TryAddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
+            services.TryAddScoped<IEnvelopeHistoryService, EnvelopeHistoryService>();
+            services.TryAddScoped<IDocumentStatusService, DocumentStatusService>();
+            services.TryAddScoped<IEmailTemplateService, EmailTemplateService>();
+            services.TryAddScoped<IEnvelopeService, EnvelopeService>();
+            services.TryAddScoped<IEnvelopeCertificateService, EnvelopeCertificateService>();
+            services.TryAddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
+            services.TryAddScoped<IEnvelopeReceiverService, EnvelopeReceiverService>();
+            services.TryAddScoped<IEnvelopeTypeService, EnvelopeTypeService>();
+            services.TryAddScoped<IReceiverService, ReceiverService>();
+            services.TryAddScoped<IUserReceiverService, UserReceiverService>();
+            services.TryAddScoped<IEnvelopeReceiverReadOnlyService, EnvelopeReceiverReadOnlyService>();
 
             //Auto mapping profiles
             services.AddAutoMapper(typeof(BasicDtoMappingProfile).Assembly);