Index: branches/unlabeled/unlabeled-1.55.2/core/kernel/session/session.php
===================================================================
diff -u -r7828 -r7837
--- branches/unlabeled/unlabeled-1.55.2/core/kernel/session/session.php	(.../session.php)	(revision 7828)
+++ branches/unlabeled/unlabeled-1.55.2/core/kernel/session/session.php	(.../session.php)	(revision 7837)
@@ -93,6 +93,10 @@
 
 	function StoreSession(&$session, $additional_fields = Array())
 	{
+		if (defined('IS_INSTALL') && IS_INSTALL && !$this->Application->TableFound($this->TableName)) {
+			return false;
+		}
+		
 		$fields_hash = 	Array (
 								$this->IDField			=>	$session->SID,
 								$this->TimestampField	=>	$session->Expiration