diff --git a/DataBaseLMS/databaselms.cpp b/DataBaseLMS/databaselms.cpp
index de735f3..541ff71 100644
--- a/DataBaseLMS/databaselms.cpp
+++ b/DataBaseLMS/databaselms.cpp
@@ -51,7 +51,7 @@ bool DataBaseLMS::createConnection()
     else
     {
         bool flHas = db->driver()->hasFeature(QSqlDriver::Transactions);
-        qDebug() << "db->driver()->hasFeature(QSqlDriver::Transactions): " << flHas;
+        //qDebug() << "db->driver()->hasFeature(QSqlDriver::Transactions): " << flHas;
         return true;
     }
 }
diff --git a/DataBaseLMS/databaselms_tasks.cpp b/DataBaseLMS/databaselms_tasks.cpp
index adc1d1a..7d4cb8c 100644
--- a/DataBaseLMS/databaselms_tasks.cpp
+++ b/DataBaseLMS/databaselms_tasks.cpp
@@ -518,6 +518,11 @@ QList<TaskAmmFim> DataBaseLMS::selectTasksFIMofTrainee(int id_trainee)
                             malfanction.malfunctionSigns.append(sign);
                         };
                     }
+                    else
+                    {
+                        resBool = db->rollback();
+                        return QList<TaskAmmFim>();
+                    }
 
                     task.addMalfunction(malfanction);
                 };
@@ -669,6 +674,11 @@ TaskAmmFim DataBaseLMS::selectTaskFIMbyID(int id_task)
                             malfanction.malfunctionSigns.append(sign);
                         };
                     }
+                    else
+                    {
+                        resBool = db->rollback();
+                        return TaskAmmFim();
+                    }
 
                     task.addMalfunction(malfanction);
                 };
@@ -676,7 +686,7 @@ TaskAmmFim DataBaseLMS::selectTaskFIMbyID(int id_task)
             else
             {
                 resBool = db->rollback();
-                return task;
+                return TaskAmmFim();
             }
 
 
@@ -701,7 +711,7 @@ TaskAmmFim DataBaseLMS::selectTaskFIMbyID(int id_task)
             else
             {
                 resBool = db->rollback();
-                return task;
+                return TaskAmmFim();
             }
 
             if(report_id)
@@ -736,7 +746,7 @@ TaskAmmFim DataBaseLMS::selectTaskFIMbyID(int id_task)
                 else
                 {
                     resBool = db->rollback();
-                    return task;
+                    return TaskAmmFim();
                 }
             }
         };
@@ -744,7 +754,7 @@ TaskAmmFim DataBaseLMS::selectTaskFIMbyID(int id_task)
     else
     {
         resBool = db->rollback();
-        return task;
+        return TaskAmmFim();
     }
 
     resBool = db->commit();