Version 4.6.0

applications/nexus/modules/admin/store/fields.php

@@ -77,7 +77,7 @@ class _fields extends \IPS\Node\Controller
 	 * @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 ( $old AND $old->extra != $new->extra )
 		{