diff --git a/application/install/backend/step.php b/application/install/backend/step.php
index 64e8a927..41ec4b65 100644
--- a/application/install/backend/step.php
+++ b/application/install/backend/step.php
@@ -279,8 +279,7 @@ abstract class InstallStep
         if ($rResult = mysqli_query($this->rDbLink, $sQuery)) {
             return $rResult;
         }
-        $aErrors[] = mysqli_error($this->rDbLink);
-        return false;
+        return $this->addError(mysqli_error($this->rDbLink));
     }
 
     protected function dbSelect($sQuery)
@@ -310,6 +309,8 @@ abstract class InstallStep
         foreach ($aFields as $sFields => $sValue) {
             if (is_int($sValue)) {
                 $aPath[] = "`{$sFields}` = " . $sValue;
+            } elseif (is_null($sValue)) {
+                $aPath[] = "`{$sFields}` = 'NULL'";
             } else {
                 $aPath[] = "`{$sFields}` = '" . mysqli_escape_string($this->rDbLink, $sValue) . "'";
             }
diff --git a/application/install/backend/step/updateVersion.php b/application/install/backend/step/updateVersion.php
index 4b34452d..ebcac016 100644
--- a/application/install/backend/step/updateVersion.php
+++ b/application/install/backend/step/updateVersion.php
@@ -69,7 +69,6 @@ class InstallStepUpdateVersion extends InstallStep
      */
     public function convertFrom_2_0_0_to_2_0_1($oDb)
     {
-
         /**
          * Запускаем SQL патч
          */
@@ -137,10 +136,6 @@ class InstallStepUpdateVersion extends InstallStep
                     return $this->addError(join('<br/>', $aErrors));
                 }
             }
-            /**
-             * Дата публикации
-             */
-            $this->dbQuery("UPDATE prefix_topic SET topic_date_publish = topic_date_add");
             /**
              * Конвертируем опросы
              * Сначала проверяем необходимость конвертации опросов
@@ -751,7 +746,7 @@ class InstallStepUpdateVersion extends InstallStep
             }
 
 
-            if ($this->getErrors()) {
+            if ($aErrors = $this->getErrors()) {
                 return $this->addError(join('<br/>', $aErrors));
             }
             return true;