Version 4.6.0

applications/cms/modules/admin/pages/pages.php

@@ -360,7 +360,7 @@ FILE;
 	 * @param	string			$lastUsedTab	The tab last used in the form
 	 * @return	void
 	 */
-	protected function _afterSave( \IPS\Node\Model $old = NULL, \IPS\Node\Model $new, $lastUsedTab = FALSE )
+	protected function _afterSave( ?\IPS\Node\Model $old, \IPS\Node\Model $new, $lastUsedTab = FALSE )
 	{
 		/* If this page was the default in a folder, and it was moved to a new folder that already has a default, we need to unset the 
 			default page flag or there will be two defaults in the destination folder */