Index: branches/RC/core/kernel/db/dblist.php
===================================================================
diff -u -r10780 -r11086
--- branches/RC/core/kernel/db/dblist.php	(.../dblist.php)	(revision 10780)
+++ branches/RC/core/kernel/db/dblist.php	(.../dblist.php)	(revision 11086)
@@ -703,6 +703,15 @@
 	{
 		$row =& $this->getCurrentRecord();
 
+		if (defined('DEBUG_MODE') && DEBUG_MODE && $this->Queried && !array_key_exists($name, $row)) {
+			if ($this->Application->isDebugMode()) {
+				$this->Application->Debugger->appendTrace();
+			}
+
+			trigger_error('Field <strong>' . $name . '</strong> doesn\'t exist in prefix <strong>' . $this->getPrefixSpecial() . '</strong>', E_USER_WARNING);
+			return 'NO SUCH FIELD';
+		}
+
 		return $row[$name];
 	}
 
@@ -757,6 +766,16 @@
 	}
 
 	/**
+	 * Goes to record with given index
+	 *
+	 * @param int $index
+	 */
+	function GoIndex($index)
+	{
+		$this->CurrentIndex = $index;
+	}
+
+	/**
 	* Description
 	*
 	* @access public