diff --git a/Libs/CMS_CORE_Library.dll b/Libs/CMS_CORE_Library.dll
index ce754e00..54a976eb 100644
Binary files a/Libs/CMS_CORE_Library.dll and b/Libs/CMS_CORE_Library.dll differ
diff --git a/Step.Database/Controllers/MaintenancesController.cs b/Step.Database/Controllers/MaintenancesController.cs
index b86d0df1..b9caa86f 100644
--- a/Step.Database/Controllers/MaintenancesController.cs
+++ b/Step.Database/Controllers/MaintenancesController.cs
@@ -36,7 +36,9 @@ namespace Step.Database.Controllers
                                                             where m1.MaintenanceId == maintenances.MaintenanceId
                                                             select m1.Date
                                                             ).Max()
-                                select maintenances).ToList();
+                                select maintenances)
+                                .Include("Maintainer")
+                                .ToList();
 
             return lastMaintenances;
         }
diff --git a/Step.Model/DTOModels/MaintenanceModels/DTOMaintenanceModel.cs b/Step.Model/DTOModels/MaintenanceModels/DTOMaintenanceModel.cs
index 3a1b0890..a3df2284 100644
--- a/Step.Model/DTOModels/MaintenanceModels/DTOMaintenanceModel.cs
+++ b/Step.Model/DTOModels/MaintenanceModels/DTOMaintenanceModel.cs
@@ -37,5 +37,7 @@ namespace Step.Model.DTOModels.MaintenanceModels
         public bool CanEdit { get; set; }
 
         public bool CanPerform { get; set; }
+
+        public DTOMessageUserModel User { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Step.NC/NcHandler.cs b/Step.NC/NcHandler.cs
index 2b154b74..534bf903 100644
--- a/Step.NC/NcHandler.cs
+++ b/Step.NC/NcHandler.cs
@@ -1062,7 +1062,8 @@ namespace Step.NC
                         PlcCounter = counter.Value,
                         CreatedByCms = currMaintenance.UserId == null,
                         CanEdit = canEdit,
-                        CanPerform = canPerform
+                        CanPerform = canPerform,
+                        User = performed?.Maintainer == null ? null : (DTOMessageUserModel)performed.Maintainer
                     });
                 }
             }
diff --git a/Step/WebApiUnhandledExceptionHandler.cs b/Step/WebApiUnhandledExceptionHandler.cs
index c5c54ec0..995a238c 100644
--- a/Step/WebApiUnhandledExceptionHandler.cs
+++ b/Step/WebApiUnhandledExceptionHandler.cs
@@ -6,8 +6,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Web.Http;
 using System.Web.Http.ExceptionHandling;
-using System.Web.Http.Filters;
-using static Step.Utils.ExceptionManager;
 
 namespace Step
 {
@@ -45,4 +43,4 @@ namespace Step
             }
         }
     }
-}
+}
\ No newline at end of file