diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index e1abd4724..dc6d31b89 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -678,7 +678,8 @@ EOF
 				foreach($aNotificationClasses as $sNotifClass)
 				{
 					$aNotifSearches[$sNotifClass] = DBObjectSearch::FromOQL("SELECT $sNotifClass AS Ev JOIN Trigger AS T ON Ev.trigger_id = T.id WHERE T.id IN (:triggers) AND Ev.object_id = :id");
-					$oNotifSet = new DBObjectSet($aNotifSearches[$sNotifClass], array(), $aParams);
+					$aNotifSearches[$sNotifClass]->SetInternalParams($aParams);
+					$oNotifSet = new DBObjectSet($aNotifSearches[$sNotifClass], array());
 					$iNotifsCount += $oNotifSet->Count();
 				}
 				// Display notifications regarding the object: on block per subclass to have the intersting columns
diff --git a/application/displayblock.class.inc.php b/application/displayblock.class.inc.php
index 2ae59862f..2ec9e66e8 100644
--- a/application/displayblock.class.inc.php
+++ b/application/displayblock.class.inc.php
@@ -249,7 +249,7 @@ class DisplayBlock
 				$sHtml .= $this->GetRenderContent($oPage, $aExtraParams, $sId);
 			} catch (Exception $e)
 			{
-
+				IssueLog::Error('Exception during GetDisplay: ' . $e->getMessage());
 			}
 			$sHtml .= "</div>\n";
 		}
diff --git a/core/oql/expression.class.inc.php b/core/oql/expression.class.inc.php
index c94b32c1f..aa8a97deb 100644
--- a/core/oql/expression.class.inc.php
+++ b/core/oql/expression.class.inc.php
@@ -1536,7 +1536,19 @@ class VariableExpression extends UnaryExpression
 		$oRet = null;
 		if (array_key_exists($this->m_sName, $aArgs))
 		{
-			$oRet = new ScalarExpression($aArgs[$this->m_sName]);
+			if(is_array($aArgs[$this->m_sName]))
+			{
+				$aExpressions = array();
+				foreach($aArgs[$this->m_sName] as $sValue)
+				{
+					$aExpressions[] = new ScalarExpression($sValue);
+				}
+				$oRet = new ListExpression($aExpressions);
+			}
+			else
+			{
+				$oRet = new ScalarExpression($aArgs[$this->m_sName]);
+			}
 		}
 		elseif (($iPos = strpos($this->m_sName, '->')) !== false)
 		{