3.6 Deprecation warnings

Connection::schemaCollection() is deprecated. Use Connection::setSchemaCollection()/getSchemaCollection() instead. - E:\Development\WampServer-64-3.0\www\PWA-Kassa\backbone\vendor\cakemanager\cakephp-settings\src\Core\Setting.php, line: 344

Seems to me an update could be handy. 